मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

When electric current is passed through acidulated water ______ of water takes place.

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प्रश्न

When electric current is passed through acidulated water ______ of water takes place.

पर्याय

  • Oxidation

  • Displacement

  • Electrolysis

  • Reduction

  • zinc

  • copper

  • Double displacement

  • Decomposition

MCQ
रिकाम्या जागा भरा
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उत्तर

When electric current is passed through acidulated electrolysis of water takes place.

Explanation:

Water decomposes into hydrogen gas and oxygen gas when electric current is passed through acidulated water. Since decomposition of water takes place by means of electrical energy, it is called electrolysis.

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पाठ 3: Chemical reactions and equations - Exercise [पृष्ठ ४५]

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बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 3 Chemical reactions and equations
Exercise | Q 1. c. | पृष्ठ ४५

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

State whether the following statement is true or false. In case a statement is false, write the corrected statement.

Iron and rust are the same substances. 


MULTIPLE CHOICE QUESTIONS

Tick the most appropriate answer.

Compounds, which in their molten state allow an electric current to pass through them are called

  1. electrolytes
  2. non-electrolytes
  3. non-conductors
  4. none of these

Define electrolysis.


Explain the type of reactions on the basis of the direction of reaction.


True or false 

New substances are formed in a chemical change.


State four conditions necessary for chemical reactions to take place.


A chemical equation is a statement that describes a chemical change in terms of


Multiple choice:

Thermal decomposition of sodium carbonate will produce


State the original colour of the following substance and colour of residue obtained after heating.

Zinc carbonate


Give a chemical test to distinguish between the following gases. 

SO2 and Cl2 


Give a chemical test to distinguish between the following gases. 

NH3 and SO2


Match the chemical reactions in List I with the appropriate answer in List II.

  List I   List II
1. \[\ce{XY⇌[heat]X + Y}\] A: Displacement reaction
2. \[\ce{XY->X + Y}\] B: Double decomposition
3. \[\ce{X+Y- + A+B^-->X+B- + A+Y-}\] C: Endothermic reaction
4. \[\ce{X + YZ->XZ + Y}\] D: Thermal dissociation
5. \[\ce{X + Y->[heat]XY -\Delta}\] E: Decomposition reaction

Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.

Lead nitrate.


NPK are the primary nutrients for plants.


Chemical change is a temporary change.


Write the chemical reaction of baking soda with lemon.


Write a note on the following:

Fermentation


When carbon dioxide is passed through lime water ______.


______ is the chemical name of rust.


Collect information about the types of fuels used for cooking in your area. Discuss with your teachers/parents/others which fuels are less polluting and why.


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