Uses of Electrolysis


Chemical Effects of Electric Current II - Concepts
Class - 8th ISO Subjects
 
 
Concept Explanation
 

Uses of Electrolysis

Uses of Electrolysis:

The process of electrolysis has many important industrial applications:

1.  Electrolysis is used in industry for the production of many metals and non-metals (e.g., aluminium, magnesium, chlorine, and fluorine).

2.  Electrolysis is used in the refining of impure metals. This method, called electro refining, can be used to purify metals like copper, gold and silver.

3. Electrolysis is used to determine the equivalent weight of substance. 

4. It is also used in the a manufacture of pure gas.

5. Used in the manufacture of compounds like sodium hydroxide, sodium carbonate, potassium chlorate etc.

6.  Electrolysis is commonly employed for coating one metal with another. The method of coating one metal with another using an electric current is called electroplating.

Sample Questions
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Question : 1

Which of the following effects is not produced by the chemical reactions brought about by an electric current?

Right Option : A
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Question : 2

Which among the following is not used for electroplating metal articles. This one is _______________
 

Right Option : C
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Question : 3

The most common industrial application of chemical effects of electric current is :

Right Option : B
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Explanation
 
 
 
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