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Selina solutions for Concise Chemistry Class 10 ICSE chapter 11 - Sulphuric Acid [Latest edition]

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Concise Chemistry Class 10 ICSE - Shaalaa.com

Chapter 11: Sulphuric Acid

Intext QuestionsExercise - 11

Selina solutions for Concise Chemistry Class 10 ICSE Chapter 11 Sulphuric Acid Exercise Intext Questions [Page 175]

Intext Questions | Q 1.1 | Page 175

Comment, sulphuric acid is referred to as King of chemicals.

Intext Questions | Q 1.2 | Page 175

Comment, sulphuric acid is referred to as Oil of vitriol.

Intext Questions | Q 2.1 | Page 175

Sulphuric acid is manufactured by the contact process.
Give two balanced equations to obtain SO2 in this process.

Intext Questions | Q 2.2 | Page 175

Sulphuric acid is manufactured by contact process
Give the conditions for the oxidation of SO2

Intext Questions | Q 2.3 | Page 175

Sulphuric acid is manufactured by the contact process
Name the catalyst used.

Intext Questions | Q 2.4 | Page 175

Sulphuric acid is manufactured by the contact process
Why H2SO4 is not obtained by directly reacting SO3 with water.

Intext Questions | Q 2.5 | Page 175

Sulphuric acid is manufactured by the contact process
Name the chemical used to dissolve SO3 and also name the product formed. Give all the main reactions to this process.

Intext Questions | Q 2.6 | Page 175

Sulphuric acid is manufactured by the contact process
Name a gas that can be oxidized to sulphur.

Intext Questions | Q 3 | Page 175

Why the impurity of arsenic oxide must be removed before passing the mixture of SO2 and air through the catalytic chamber?

Intext Questions | Q 4 | Page 175


(i) Name the catalyst which helps in the conversion of sulphur dioxide to sulphur trioxide in step C.

(ii) In the contact process for the manufacture of sulphuric acid, sulphur trioxide is not converted to sulphuric acid by reacting it with water. Instead a two-step procedure is used. Write the equations for the two steps involved in D.

(iii) What type of substance will liberate sulphur dioxide from sodium sulphite in step E?

(iv) Write the equation for the reaction by which sulphur dioxide is converted to sodium sulphite in step F ?

Selina solutions for Concise Chemistry Class 10 ICSE Chapter 11 Sulphuric Acid Exercise Exercise - 11 [Pages 179 - 180]

Exercise - 11 | Q 1 | Page 179

Why is water not added to concentrated H2SO4 in order to dilute it?

Exercise - 11 | Q 2.1 | Page 179

Give two balanced reactions of each type to show the following properties of sulphuric acid:
Acidic nature.

Exercise - 11 | Q 2.2 | Page 179

Give two balanced reactions of each type to show the following properties of sulphuric acid:
Oxidising agent

Exercise - 11 | Q 2.3 | Page 179

Give two balanced reactions of each type to show the following properties of sulphuric acid :
Dehydrating nature

Exercise - 11 | Q 2.4 | Page 179

Give two balanced reactions of each type to show the following properties of sulphuric acid:
Non-volatile nature

Exercise - 11 | Q 3.1 | Page 179

Give a chemical test to distinguish between : dilute sulphuric acid and dilute hydrochloric acid,(using lead nitrate solution).

Exercise - 11 | Q 3.2 | Page 179

Give a chemical test to distinguish between : dilute sulphuric acid and conc. Sulphuric acid.

Exercise - 11 | Q 4.1 | Page 179

Write a balanced chemical equation : when hot and concentrated sulphuric acid reacts with the following :

Sulphur

Exercise - 11 | Q 4.2 | Page 179

Write a balanced chemical equation : when hot and concentrated sulphuric acid reacts with the following :
NaOH

Exercise - 11 | Q 4.3 | Page 179

Write a balanced chemical equation : when hot and concentrated sulphuric acid reacts with the following :
Sugar

Exercise - 11 | Q 4.4 | Page 179

Write a balanced chemical equation : when hot and concentrated sulphuric acid reacts with the following : Carbon

Exercise - 11 | Q 4.5 | Page 179

Write a balanced chemical equation : when hot and concentrated sulphuric acid reacts with the following : Copper

Exercise - 11 | Q 5.1 | Page 179

Why is Concentrated sulphuric acid kept in air tight bottles?

Exercise - 11 | Q 5.2 | Page 179

Why is H2SO4 is not used as a drying agent for H2S?

Exercise - 11 | Q 5.3 | Page 179

Sulphuric acid used in the preparation of HCI and HNO3? Give equations in both cases.

Exercise - 11 | Q 6.1 | Page 179

What property of conc. H2SO4 is made use of the following case? Give an equation for the reaction on the same:
In the production of HCI gas when it reacts with chloride.

Exercise - 11 | Q 6.2 | Page 179

What property of conc. H2SO4 is made use of the following case? Give an equation for the reaction on the same:
In the preparation of CO and HCOOH

Exercise - 11 | Q 6.3 | Page 179

What property of conc. H2SO4 is made use of the following case? Give an equation for the reaction on the same:
as a source of hydrogen by diluting it and adding a strip of magnesium.

Exercise - 11 | Q 6.4 | Page 179

What property of conc. H2SO4 is made use of the following case? Give an equation for the reaction on the same:
In the preparation of sulphur dioxide by warming a mixture of conc. Sulphuric acid and copper – turnings

Exercise - 11 | Q 6.5 | Page 179

What property of conc. H2SO4 is made use of the following case? Give an equation for the reaction on the same:
Hydrogen sulphide gas is passed through concentrated sulphuric acid.

Exercise - 11 | Q 6.6 | Page 179

What property of conc. H2SO4 is made use of the following case? Give an equation for the reaction on the same:
Its reaction with (i) ethanol (ii) carbon

Exercise - 11 | Q 7.1 | Page 179

What is the name given to the salts of sulphurous acid?

Exercise - 11 | Q 7.2 | Page 179

What is the name given to the salts of sulphuric acid?

Exercise - 11 | Q 8.1 | Page 179

Give a reason for the following:
Sulphuric acid forms two types of salts with NaOH

Exercise - 11 | Q 8.2 | Page 179

Give reason for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.

Exercise - 11 | Q 8.3 | Page 179

Give reason for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.

Exercise - 11 | Q 9 | Page 179

Copy and complete the following table:

Column 1

Column 2 Column 3
Substance reacted with acid Dilute or concentrated acid Gas
    Hydrogen
    Carbon dioxide
    Only chlorine
Exercise - 11 | Q 10.1 | Page 180

The following are the typical properties of dilute acid. complete them by inserting suitable words :
Active metal + acid → ............. + ...............

Exercise - 11 | Q 10.2 | Page 180

The following are the typical properties of dilute acid. complete them by inserting suitable words :
Base + Acid → .............. + ................

Exercise - 11 | Q 10.3 | Page 180

The following are the typical properties of dilute acid. complete them by inserting suitable words :
Carbonate/hydrogen carbonate + Acid → ............. + ............. + ..............

Exercise - 11 | Q 10.4 | Page 180

The following are the typical properties of dilute acid. complete them by inserting suitable words :
Sulphite/hydrogen sulphite + Acid → ............. + ............ + .............

Exercise - 11 | Q 10.5 | Page 180

The following are the typical properties of dilute acid. complete them by inserting suitable words :
Sulphide + Acid → ................ + ....................

Exercise - 11 | Q 11.1 | Page 180

Which property of sulphuric acid accounts for its use as a dehydrating agent?

Exercise - 11 | Q 11.2 | Page 180

Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation. Each illustrates the above-mentioned properties of sulphuric acid.

Exercise - 11 | Q 12 | Page 180

Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:

  1. Acid
  2. Dehydrating agent
  3. Non-volatile acid
  4. Oxidising agent

(i) C12H22O11 +nH2SO4 → 12C + 11H2O + nH2SO4

(ii) S + 2H2SO→ 3SO2 +2H2O

(iii) NaCl +H2SO4 → NaHSO+ HCl

(iv) CuO + H2SO4 → CuSO4 +H2O

(v) Na2CO3 + H2SO4 → Na2SO4 + H2O +CO2

Exercise - 11 | Q 13.1 | Page 180

Name the acid formed when sulphur dioxide dissolves in water.

Exercise - 11 | Q 13.2 | Page 180

Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.

Chapter 11: Sulphuric Acid

Intext QuestionsExercise - 11
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Concise Chemistry Class 10 ICSE - Shaalaa.com

Selina solutions for Concise Chemistry Class 10 ICSE chapter 11 - Sulphuric Acid

Selina solutions for Concise Chemistry Class 10 ICSE chapter 11 (Sulphuric Acid) 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 Concise Chemistry Class 10 ICSE solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Concise Chemistry Class 10 ICSE chapter 11 Sulphuric Acid are Non-volatile Nature of Sulphuric Acid, Sulphuric Acid-manufacture by Contact Process, Concept of Sulphuric Acid, Sulphuric Acid - Behaviour as an Acid When Dilute, Sulphuric Acid - Oxidizing Agent When Concentrated, Sulphuric Acid - Dehydrating Agent.

Using Selina Class 10 solutions Sulphuric Acid exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 10 prefer Selina Textbook Solutions to score more in exam.

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