# Frank solutions for ICSE Class 10 Chemistry Part 2 chapter 6 - Electrolysis [Latest edition]

## Chapter 6: Electrolysis

Exercise
Exercise [Pages 145 - 147]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Pages 145 - 147]

Exercise | Q 1.1 | Page 145

Define the term : Electrolysis

Exercise | Q 1.2 | Page 145

Define the term : Electrolyte

Exercise | Q 1.3 | Page 145

Define the term : Non-electrolyte

Exercise | Q 1.3 | Page 147

The following question relate to the electroplating of an article with silver.
What should be the nature of the anode?

Exercise | Q 1.4 | Page 145

Define the term : Cation and anion

Exercise | Q 2 | Page 145

From the given list :
NaCl, NaOH, H2O (pure), NH4OH, urea, dil.H2SO4, glucose, acetic acid, H2CO3.
Select :
a) Substances which will behave as strong electrolytes.
b) Substances which will behave as weak electrolytes.
c) Substances which are non-elctrolytes.

Exercise | Q 3.1 | Page 145

Write the difference between with examples:
A strong electrolyte and a weak electrolyte

Exercise | Q 3.2 | Page 145

Write the difference between with examples:
Electrolytic dissociation and ionization

Exercise | Q 4 | Page 145

Exercise | Q 5 | Page 145

Give three applications of electrolysis.

Exercise | Q 6.1 | Page 145

State your observation for the following electrolytic reaction:
Solid copper sulphate is electrolysed between platinum electrodes.

Exercise | Q 6.2 | Page 145

State your observation for the following electrolytic reaction
Aqueous copper sulphate is electrolysed between platinum electrodes.

Exercise | Q 6.3 | Page 145

State your observation for the following electrolytic reaction
Aqueous copper sulphate is electrolysed between copper electrodes.

Exercise | Q 7 | Page 145

Explain, why electrolysis is an example of redox reaction?

Exercise | Q 8 | Page 145

State the factors that influence the preferential discharge of ions at the electrodes.

Exercise | Q 9 | Page 145

With reference to the electrolysis of acidulated water, answer the following :
a) why distilled water is a non- electrolyte?
b) What is the electrolytic cell called?
c) State what you would observe at the (i) Cathode (ii) Anode
d) Summarize the electrode reactions.
e) why is electrolysis of acidulated water considered as an example of catalysis?

Exercise [Page 146]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Page 146]

Exercise | Q 1 | Page 146

Make a neatly labeled sketch to show how a brass spoon can be plated with silver. Explain your choice of electrolyte used.

Exercise | Q 2.1 | Page 146

Explain the terms : Electro refining

Exercise | Q 2.2 | Page 146

Explain the term : Electro metallurgy

Exercise | Q 2.3 | Page 146

Explain the term : Anode mud

Exercise | Q 3.1 | Page 146

Fill in the black.
The metal plate trough which current enters into an electrolyte is called ___________. It has ____________ of electrons.

Exercise | Q 3.2 | Page 146

Fill in the black.
The metal plate through which ____________ leaves from an electrolyte is called ____________ .It has ______________ of electrons.

Exercise | Q 3.3 | Page 146

Fill in the blank.
The ions which discharge on the negative electrode during electrolysis _____________ electrons, Thus the ions are said to be __________.

Exercise | Q 3.4 | Page 146

Fill in the blank :
The ions which discharge on the positive electrode during electrolysis ____________electrons. Thus, the ions are said to be _____________.



Exercise | Q 3.5 | Page 146

Fill in the blank :
Hydrogen and metallic ions are ____________ because they ____________ electrons.

Exercise | Q 3.6 | Page 146

Fill in the blank :
Non-metallic ions are _____________ because they _____________ electrons.

Exercise | Q 4.1 | Page 146

Al+3 ,Cu+2 ,Na+ ,Zn+2 ions are present in aqueous solution, such that the concentration of ions is same, write the order of discharge of ions.

Exercise | Q 4.2 | Page 146

Amongst the OH- ions and Br- ions which are likely to discharge first?

Exercise | Q 5 | Page 146

How electrolysis can be used in extraction of aluminium? Why aluminium cannot be reduced by conventional reducing agents?

Exercise | Q 6 | Page 146

Explain, why during the electrolysis of copper sulphate using copper electrodes, the colour of solution does not fade?

Exercise | Q 7 | Page 146

How is impure copper purified by electrolysis ? Explain.

Exercise | Q 8 | Page 146

List out the main applications of electrolysis.

Exercise | Q 9 | Page 146

How is electrolytic dissociation different from thermal dissociation?

Exercise | Q 10 | Page 146

A solution of caustic soda (NaOH) in water or when fused, conducts an electric current. what is the similarity in these two cases ?

Exercise | Q 11.1 | Page 146

Name : A salt which is a weak electrolyte.

Exercise | Q 11.2 | Page 146

Name : A base which is not alkali

Exercise | Q 11.3 | Page 146

Name : An inert electrode and an active electrode

Exercise | Q 11.4 | Page 146

Name : A positively charged not metallic ion

Exercise | Q 11.5 | Page 146

Name : A non-metallic element which is a conductor of electricity.

Exercise | Q 12.1 | Page 146

Choose the correct answer from the option given below:
Which one is weak electrolyte?

• HNO3

• KOH

• CuSO4

• Cu(OH)2

Exercise | Q 12.2 | Page 146

Choose the correct answer from the option given below:
Which among the following cations will discharge with ease at cathode?

• Na+

• Au3+

• Cu2+

• H+

Exercise | Q 12.3 | Page 146

Choose the correct answer from the option given below:
Which among the following anions will discharge with ease at anode?

• Cl-

• I-

• OH-

• $\ce{SO^{2-}_{4}}$

Exercise | Q 12.4 | Page 146

Choose the correct answer from the option given below:

• Steel rod

• Platinum foil

• Glass rod

• Graphite rod

Exercise | Q 12.5 | Page 146

Choose the correct answer from the option given below:
Electrolysis of acidulated water is used in the production of

• Hydrogen

• Oxygen

• Nitrogen

• Hydrogen and oxygen

Exercise [Page 147]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Page 147]

Exercise | Q 1.1 | Page 147

The following question relate to the electroplating of an article with silver.
Name the electrode formed by the article which is to be plated.

Exercise | Q 1.2 | Page 147

The following question relate to the electroplating of an article with silver.
What ions must be present in the electrolyte?

Exercise | Q 2 | Page 147

How is the passage of electricity through an electrolyte different from the passage of electricity through a copper wire?

Exercise | Q 3 | Page 147

The following questions are about electroplating of copper wire with silver.
(a) What ions must be present in the electrolyte?
(b) Of what substance must the anode be made up of?
(c) What will the cathode be made up of?
(d) Write the equation for the reaction which takes place at the cathode.

Exercise | Q 4 | Page 147

Define or explain the term: Electrolysis.

Exercise | Q 5 | Page 147

Why is it necessary to add acid to water before proceeding with electrolysis of 'water'?

Exercise | Q 6.1 | Page 147

Give one example of a substance which contain :
Ions only

Exercise | Q 6.2 | Page 147

Give one example of a substance which contain :
molecules only

Exercise | Q 6.3 | Page 147

Give one example of a substance which contain :
both ions and molecules.

Exercise | Q 7.1 | Page 147

What is meant by the term 'electrolyte'?

Exercise | Q 7.2 | Page 147

What are the particles present in a compound which is a non- electrolyte?

Exercise | Q 7.3 | Page 147

If an electrolyte is described as a 'strong electrolyte' what does this mean?

Exercise | Q 8 | Page 147

The following Question refer to the electrolysis of copper sulphate solution with copper electrodes:
(a) Compare the change in mass of the anode
(b) What is seen to happen to the colour of the copper sulphate solution if platinum electrodes are used? Explain the observation.
(c) What is the practical application of the electrolysis of copper sulphate solution? Briefly, describe one such application.

Exercise [Page 148]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Page 148]

Exercise | Q 1 | Page 148

What should be the physical state of lead bromide if it is to conduct electricity?

Exercise | Q 2 | Page 148

What particles are present in pure lead bromide?

Exercise | Q 3 | Page 148

Write the equations for the reactions, which takes place at the electrodes during the electrolysis of lead bromide?

Exercise | Q 4 | Page 148

Choosing only words from the following list, write down the appropriate words to fill in the blanks (a) to (e) below:
anions, anode, cathode, cations, electrode, electrolyte, nickel, voltameter.

To electroplate an article with nickel requires an (a) ________ which must be a solution containing (b) ________ions. The article to be plated is placed as the (c) _________of the cell in which the plating is carried out. The (d)________ of the cell is made from pure nickel. The ions that are attracted to the negative electrode and discharged are called (e)________.

Exercise | Q 5 | Page 148

Correct the sentence by adding word(s)

Exercise | Q 6 | Page 148

If a fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?

Exercise | Q 7 | Page 148

Classify the following substances under three headings:
(a) Strong electrolytes (b) weak electrolytes ( c) non- electrolytes
Acetic acid, ammonium chloride, ammonium hydroxide, carbon tetrachloride, dilute hydrochloric acid, sodium acetate, dilute sulphuric acid.

Exercise | Q 8.1 | Page 148

Write down the word or phrase from the given options that will correctly fill in the blanks in the following  sentence:
Pure water consists entirely of ________

• ions

• molecules

Exercise | Q 8.2 | Page 148

Write down the word or phrase from the given options that will correctly fill in the blanks in the following  sentence:
We can expect that pure water _______ normally conduct electricity.

• Will

• Will not

Exercise | Q 9 | Page 148

To carry out the so called "electrolysis of water", sulphuric acid is added to water. How does the addition of sulphuric acid produce a conducting solution?

Exercise | Q 9 | Page 148

Copy and complete the following sentence :
With platinum electrodes, hydrogen is liberated at the ______and oxygen at the _________ during the electrolysis of acidified water.

Exercise | Q 10 | Page 148

Copy and complete the following table which refers to two practical applications of electrolysis.

 Anode Electrolyte Cathode Silver plating of a spoon Solution of potassium argentocyanide Purification of copper
Exercise | Q 11 | Page 148

Complete the sentence by choosing correct words given in brackets.
Electrolysis is the passage of __________ (electricity/electrons) through a liquid or solution accompanied by a __________ ( physical/chemical ) change.

Exercise [Page 149]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Page 149]

Exercise | Q 1 | Page 149

Element X is a metal with valency 2. Element Y is a non-metal with valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is diatomic gas, write the equation for the direct combination of X and Y to form a compound.
(c) Write two applications of electrolysis in which anode diminish in mass.
(d) If the compound formed between X and Y is melted and an electric current passed through the molten compound, the element X will be obtained at the _____ and the Y at the ________of the electrolytic cell. (Provide the missing words).

Exercise | Q 2.1 | Page 149

What kind of particles will be found in a liquid compound which is a non- electrolyte?

Exercise | Q 2.2 | Page 149

If HX is a weak acid, what particles will be present in its dilute solution apart from those of water?

Exercise | Q 2.3 | Page 149

Choose the correct words to fill in the blanks.
Cations are formed by _______ (loss/ gain) of electrons and anions are formed by ________( loss/gain) of electrons.

Exercise | Q 2.4 | Page 149

What ions must be present in a solution used for electroplating a particular metal?

Exercise | Q 2.5 | Page 149

Explain how electrolysis is an example of Redox reaction.

Exercise | Q 3.1 | Page 149

Explain, why copper though a good conductor of electricity is, a non- electrolyte.

Exercise | Q 3.2 | Page 149

Name the gas released at the cathode when acidulated water is electrolyzed.

Exercise | Q 3.3 | Page 149

Explain, why solid sodium chloride does not allow electricity to pass through?

Exercise | Q 3.4 | Page 149

Fill in the blank.
As we descend the electrochemical series containing cations, the tendency of the cations to get ________ at the cathode increases.

• oxidized

• reduced

Exercise | Q 3.4 | Page 149

Fill in the blank :
The _______ the concentration of an ion in a solution, the greater is the probability of its being discharged at its appropriate electrode.

• higher

• lower

Exercise | Q 4.1 | Page 149

Study the diagram given alongside and answer the questions that follow :

(i) Give the names of the electrode A and B.
(ii) Which electrode is oxidizing electrode?

Exercise | Q 4.2 | Page 149

A strip of copper is placed in four different colourless salt solutions. They are KNO3, AgNO3, Zn(NO3)2, Ca(NO3)2. Which one of the solutions will finally turn blue?

Exercise | Q 4.3 | Page 149

Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolyzed.

Exercise | Q 4.3 | Page 149

Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolyzed.

Exercise | Q 5.1 | Page 149

A solution of silver nitrate is a good electrolyte but is not used for electroplating an article with silver.

Exercise | Q 5.2 | Page 149

Identify the following reactions as either oxidation or reduction : O + 2e- → O-2

Exercise | Q 5.2 | Page 149

Identify the following reactions as either oxidation or reduction : K - e→ K+

Exercise | Q 5.2 | Page 149

Identify the following reactions as either oxidation or reduction : Fe+3 + e-  → Fe+2

Exercise | Q 6 | Page 149

Choose A, B, C or D to match the descriptions (i) to (v) below . Some alphabets may be repeated.
(A) Non-electrolyte, (B) Strong electrolyte, (C) Weak electrolyte, (D) Metallic conductor
(i) Molten ionic compound
(ii) Carbon tetrachloride
(iii) An aluminium wire
(iv) A solution containing solvent molecules, solute molecules and ions formed by the dissociation of solute molecules
(v) A sugar solution with sugar molecules and water molecules.

Exercise [Page 150]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Page 150]

Exercise | Q 1 | Page 150

The following is an extract from metals in the service of man, Alexander and street /Pelican 1976': Alumina (aluminium oxide) has a very high melting point over 2000oC, so that I cannot readily be liquefied. However, conversion of alumina to aluminium and oxygen, by electrolysis, an occur when it is dissolved in some other substance.
(a) Which solution is used to react with bauxite as first step in obtaining pure aluminium oxide?
(b) The aluminium oxide for the electrolytic extraction of aluminium is obtained by heating aluminium hydroxide. Write the equation for this reaction.
(c) Name the element which serves both as the anode and the cathode in the extraction of aluminium.
(d) Write the equation for the reaction that occurs at the cathode during the extraction of aluminium.
(e) Write the equation for the reaction that occurs at the cathode during extraction of aluminium by electrolysis.
(f) Give the equation for the reaction that occurs at the anode when aluminium is purified by electrolysis.

Exercise | Q 2 | Page 150

During the electrolysis of molten lead bromide, which of the following takes place?

• Bromine is released at the cathode

• Lead is deposited at the anode

• Bromine ions gain electrons

• Lead is deposited at the cathode

Exercise | Q 3.1 | Page 150

Here is an electrode reaction :
Cu → Cu+2 + 2e-
At which electrode (anode or cathode) would such a reaction take place? Is this an example of oxidation?

Exercise | Q 3.2 | Page 150

A solution contains magnesium ions (Mg+2), iron (II) ions (Fe+2) and copper ions (Cu+2) . On passing an electric current through this solution which ions will be the first to be discharged at the cathode? Write the equation for the cathode reaction.

Exercise | Q 3.3 | Page 150

Why is carbon tetrachloride, which is a liquid, a non - electrolyte?

Exercise | Q 4 | Page 150

The following is a sketch of an electrolytic cell used in the extraction of aluminium :

(a) What is the substance of which the electrode A and B are made?
(b) At which electrode (A or B) is aluminium formed?
(c) What are the two aluminium compounds in the electrolyte C?
(d) Why is it necessary for electrode B to be co ntinuously replaced?

Exercise | Q 5 | Page 150

A metal article is to be electroplated with silver. The electrolyte selected is sodium argentocyanide.
(a) What kind of salt is sodium argento cyanide?
(b) Why is it preferred to silver nitrate as an electrolyte?
(c) State one condition to ensure that the deposit is smooth, firm and long lasting.
(d) Write the reaction taking place at the cathode.
(e) Write the reaction taking place at the anode.

Exercise [Page 151]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Page 151]

Exercise | Q 1 | Page 151

Find the odd one out from the following and explain your choice : Al(OH)3, Pb(OH)2,Mg(OH)2,Zn(OH)2

Exercise | Q 2 | Page 151

Correct the following statement:

Exercise | Q 3 | Page 151

Aqueous solution of nickel sulphate contains Ni+2 and  $\ce{SO^{-2}_{4}}$ ions.
(a) Which ion moves towards the cathode?
(b) What is the product at the anode?

Exercise | Q 4.1 | Page 151

Select the correct answer from the choices a,b,c and d which are given. Write only the letter corresponding to the correct answer.
A compound which liberates reddish brown gas around the anode during the electrolysis in its molten state is:______________

• Sodium chloride

• Copper (II) oxide

• Copper (II) sulphate

Exercise | Q 4.2 | Page 151

Select the correct answer from the choices a,b,c and d which are given. Write only the letter corresponding to the correct answer.
During ionization metals lose electrons, this change can be called _______________.

• Oxidation

• Reduction

• Redox

• Displacement

Exercise | Q 5 | Page 151

Mr Ramu wants electrolyte his key chain with nickel to prevent rusting. For this electroplating
(i) Name the electrolyte
(ii) Name the cathode
(iii) Name the anode
(iv) Give the reaction at the cathode
(v) Give the reaction at the anode

Exercise | Q 6 | Page 151

Three different electrolytic cells, A,B, and C are conncted in separate circuits. Electrolytic cell A contains sodium chloride solution. When the circuit is completed a bulb in the circuit glows brightly. Electrolytic cell B contains acetic acid solution and in this case the bulb in the circuit glows dimly. The electrolytic cell C contains sugar solution and the bulb does not glow. Give a reason for each of these observations.

Exercise | Q 7 | Page 151

Give reasons as to why - the electrolysis of acidulated water is considered to be an example of catalysis.

Exercise | Q 8.1 | Page 151

Fill in the blank from the choices given below :
In covalent compounds, the bond is formed due to the __________ of electrons.

• Sharing

• Transfer

Exercise | Q 8.2 | Page 151

Fill in the blank from the choices given below :
Electro covalent compounds have a _____ boiling point

• low

• high

Exercise | Q 8.3 | Page 151

Fill in the blank from the choices given below :
A molecule of _____ contains a triple bond.

• hydrogen

• ammonia

• nitrogen

Exercise | Q 9 | Page 151

Differentiate between electrical conductivity of copper sulphate solution and copper metal.

Exercise | Q 10 | Page 151

During the electrolysis of copper (II) sulphate solution using platinum as cathode and carbon an anode:
(i) What do you observe at the cathode and at the anode?
(ii) What change is noticed in the electrolyte?
(iii) Write the reactions at the cathode and at the anode.

Exercise [Page 152]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Page 152]

Exercise | Q 1 | Page 152

Copper sulphate solution is electrolyzed using copper electrodes. Study the diagram given alongside and answer the questions that follows.
(i) Which electrode to your left or right is known as the oxidizing electrode and why?
(ii) Write the equation representing the reaction that occurs
(iii) State two appropriate observations for the above electrolysis reactions.

Exercise | Q 2 | Page 152

Which of these will act as a non-electrolyte?

• Liquid carbon tetrachloride

• Acetic acid

• Sodium hydroxide aqueous solution acid

• Potassium chloride aqueous solution

Exercise | Q 3 | Page 152

State one observation when electricity is passed through molten lead bromide.

Exercise | Q 4 | Page 152

When fused lead bromide is electrolyzed we observe

• A silver grey deposit at anode and a reddish brown deposit at cathode

• A silver grey deposit at cathode and reddish brown deposit at anode

• A silver grey deposit at cathode and reddish brown fumes at anode

• Silver grey fumes at anode and reddish brown fumes at cathode

Exercise | Q 5 | Page 152

The electrolyte used for electroplating an article with silver is:

• Silver nitrate solution

• Silver cynide solution

• Sodium argentocyanide solution

• Nickel sulphate solution

Exercise | Q 6 | Page 152

M is a metal above hydrogen in the activity series and its oxide has the formula M2O. The oxide when dissolved in water forms the corresponding hydroxide which is a good conductor of electricity. In the above context answer the following:
(i) What kind of combination exists between M and O?
(ii) How many electrons and there in the outermost shell of M?
(iii) Name the group to which M belongs
(iv) State the reaction taking place in the cathode
(v) Name the product at the anode

Exercise | Q 7.1 | Page 152

Give appropriate scientific reasons for the following statement :
Zinc oxide can be reduced to zinc by using carbon monoxide, but aluminium oxide cannot be reduced by a reducing agent.

Exercise | Q 7.2 | Page 152

Give appropriate scientific reasons for the following statement :
Carbon tetrachloride does not conduct electricity.

Exercise | Q 7.3 | Page 152

Give appropriate scientific reasons for the following statement :
During electrolysis of molten lead bromide graphite anode is preferred to other electrodes.

Exercise | Q 7.4 | Page 152

Give appropriate scientific reasons for the following statement :
The electrical conductivity of acetic acid is less in comparision to the electrical conductivity of dilute sulphuric acid at a given concentration.

Exercise | Q 7.5 | Page 152

Give appropriate scientific reasons for the following statement :
Electrolysis of molten lead bromide is considered to be a redox reaction.

Exercise | Q 8 | Page 152

Differentiate between the terms strong electrolyte and weak electrolyte (stating any two differences)

Exercise [Page 153]

### Frank solutions for ICSE Class 10 Chemistry Part 2 Chapter 6 Electrolysis Exercise [Page 153]

Exercise | Q 1.1 | Page 153

Copy and complete the following table :

 Anode Electrolyte Purification of copper
Exercise | Q 1.2 | Page 153

Write the equation taking place at the anode.

Exercise | Q 2.1 | Page 153

Give reason why:
Sodium chloride will conduct electricity only in fused or aqueous solution state.

Exercise | Q 2.2 | Page 153

Give reason why:
In the electroplating of an article with silver, the electrolyte sodium argento-cynide solution is preferred over silver nitrate solution.

Exercise | Q 2.3 | Page 153

Give reason why:
Although copper is a good conductor of electricity, it is a non-electrolyte.

Exercise | Q 3.1 | Page 153

Name the product formed at the anode during the electrolysis of acidified water using platinum electrodes

Exercise | Q 3.2 | Page 153

Name the metallic ions that should be present in the electrolyte when an article made copper is to be electroplated with silver

Exercise | Q 5.1 | Page 153

Identify the substance underlined in each of the following case :
he electrolyte used for electroplating an article with silver.

Exercise | Q 5.2 | Page 153

Identify the substance underlined in each of the following case :
The particles present in a liquid such as kerosene, that is non-electrolyte.

Exercise | Q 6.1 | Page 153

State the observation at the anode and at the cathode during the electrolysis of :
Fused lead bromide using graphite electrodes

Exercise | Q 6.2 | Page 153

State the observation at the anode and at the cathode during the electrolysis of :
Copper sulphate solution using copper electrodes.

Exercise | Q 7.1 | Page 153

Select the ion, that would get selectively discharge from the aqueous mixture of the ions listed below :
$\ce{SO^{2-}_{4}}$, $\ce{NO^{-}_{3}}$, $\ce{OH-}$

Exercise | Q 7.2 | Page 153

Select the ion, that would get selectively discharge from the aqueous mixture of the ions listed below :
Pb2+, Ag+, Cu+

Exercise

## Frank solutions for ICSE Class 10 Chemistry Part 2 chapter 6 - Electrolysis

Frank solutions for ICSE Class 10 Chemistry Part 2 chapter 6 (Electrolysis) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE ICSE Class 10 Chemistry Part 2 solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in ICSE Class 10 Chemistry Part 2 chapter 6 Electrolysis are Electrolytes and Non-Electrolytes, Substances Containing Molecules Only, Ions Only, Both Molecules and Ions., Electrolysis, An Elementary Study of the Migration of Ions, Applications of Electrolysis, Concept of Electrolysis, Acids, Bases and Salts as Electrolytes, Dissociation of Ions and Electrical Conductivity, Substances Containing Molecules Only, Substances Containing Ions Only, Applications of Electrolysis - Purification of Copper, Substances Containing Both Molecules and Ions, Electroplating.

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