Questions :-

1. Adding common salt to distilled water makes it ___________
(a) Good conductor
(b) Poor conductor
(c) Both
(d) None

2. An electrolyte is a ___________
(a) Metal
(b) Solution
(c) Liquid that conducts current
(d) None of these

3. Distilled water is a ___________
(a) Good conductor of electricity
(b) Poor conductor of electricity
(c) Both
(d) None

4. __________ is an example of good conductor of electricity.
(a) Plastic
(b) Rubber
(c) Vinegar
(d) Wood

5. __________ is an example of poor conductor of electricity.
(a) Copper
(b) Vinegar
(c) Aluminium
(d) Honey

6. __________ is an example of good conductor of electricity.
(a) Plastic
(b) Rubber
(c) Lemon juice
(d) Wood

7. __________ is an example of poor conductor of electricity.
(a) Copper
(b) Vinegar
(c) Aluminium
(d) Vegetable oil

8. __________ is an example of poor conductor of electricity.
(a) Copper
(b) Vinegar
(c) Aluminium
(d) Kerosene

9. Electric lamp glows due to __________ effect.
(a) Chemical
(b) Magnetic
(c) Heating
(d) None of these

10. Flow of electron is called ___________
(a) Electroplating
(b) Electric current
(c) Electrolyte
(d) None of these

Chapter - 14 Chemical effect of electric current Test - 2 | Class - 8th Science

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