MCQ Questions of Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers

Free PDF Download of CBSE Class 8 Science Chapter 14 Chemical Effects of Electric Current Multiple Choice Questions with Answers.Based on Latest Exam Pattern. Students can solve NCERT Class 8 Science Chapter 14 Chemical Effects of Electric Current Multiple Choice Questions with Answers to know their preparation level.

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Chemical Effects of Electric Current Class 8 MCQs Questions with Answers

MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers

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1. Tap water is a good conductor of electricity while distilled water is not because

 
 
 
 

2. Electroplating is based on

 
 
 
 

3. Electroplating prevents

 
 
 
 

4. Iron objects can be protected by electroplating them with

 
 
 
 

5. Which of the following does not conduct electricity?

 
 
 
 

6. An electric current can produce

 
 
 
 

7. Which is not a non-electrolyte?

 
 
 
 

8. In LEDs, the longer lead (wire) is always connected to the _______ terminal

 
 
 
 

9. When electrodes are immersed in water and electricity passed, the bubbles formed on the positive terminal is actually _______ gas.

 
 
 
 

10. Copper is

 
 
 
 

11. When electrodes are immersed in water and electricity passed, the bubbles formed on the negative terminal is actually _______ gas.

 
 
 
 

12. Flow of electron is called

 
 
 
 

13. Which of the following is not used for electroplating metal articles?

 
 
 
 

14. Which of the following is a bad conductor of electricity?

 
 
 
 

15. Waste from an electroplating factory must be disposed off

 
 
 
 

16. An electrolyte is

 
 
 
 

17. Polythene is

 
 
 
 

18. Pure or distilled water is a

 
 
 
 

19. Which of the following is a good conductor?

 
 
 
 

20. An electric lamp glows due to

 
 
 
 

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