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. An electrolyte is

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Pure or distilled water is a

 
 
 
 

7. Which is not a non-electrolyte?

 
 
 
 

8. Iron objects can be protected by electroplating them with

 
 
 
 

9. Electroplating is based on

 
 
 
 

10. Polythene is

 
 
 
 

11. Waste from an electroplating factory must be disposed off

 
 
 
 

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

 
 
 
 

13. Electroplating prevents

 
 
 
 

14. Flow of electron is called

 
 
 
 

15. Which of the following does not conduct electricity?

 
 
 
 

16. An electric current can produce

 
 
 
 

17. Which of the following is a good conductor?

 
 
 
 

18. Copper is

 
 
 
 

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

 
 
 
 

20. An electric lamp glows due to

 
 
 
 

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