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NCERT Solutions for Class 8th Science

 

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Chapter 14. Chemical Effects of Electric Current

Additional Questions With Solutions

 

 

 

Additional Questions With Solutions


Ques: What is electroplating?

Ans: The process of depositing a layer of any desired metal on another material by means of electricity is called electroplating.

Ques:What do you understand by chemical effects of currents?

Ans: The passage of an electric currernt through a conducting liquid causes chemical reaction. The resulting effects are called  chemical effects of currents.

Ques: Solution of which Substances  conduct electricity?

Ans: Acid ,base and salt.

Ques: If you pass current through copper sulphate solution, On which terminal of battery copper gets deposited ?

Ans: Negative terminal.

Ques: What is called the process of depositing of a layer of any desired metal on another material by means of electricity?

Ans: Electroplating.

Ques: Does Pure water conduct electricity? If no, What can we do to make it conductor?

Ans: No Pure water does not conduct. There is melt acid, base or salt to make it conductor. 

  

 

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