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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Question 1 of 10
1. Question
Adding common salt to distilled water makes it ___________
Correct
Adding common salt to distilled water makes it good conductor.
Incorrect
Adding common salt to distilled water makes it good conductor.
-
Question 2 of 10
2. Question
An electrolyte is a ___________
Correct
An electrolyte is a liquid that conducts current.
Incorrect
An electrolyte is a liquid that conducts current.
-
Question 3 of 10
3. Question
Distilled water is a ___________
Correct
Distilled water is a poor conductor of electricity.
Incorrect
Distilled water is a poor conductor of electricity.
-
Question 4 of 10
4. Question
__________ is an example of good conductor of electricity.
Correct
Vinegar is an example of good conductor of electricity because vinegar allow electric current to pass through them easily.
Incorrect
Vinegar is an example of good conductor of electricity because vinegar allow electric current to pass through them easily.
-
Question 5 of 10
5. Question
__________ is an example of poor conductor of electricity.
Correct
Honey is an example of poor conductor of electricity because honey doesn’t allow electric current to pass through them.
Incorrect
Honey is an example of poor conductor of electricity because honey doesn’t allow electric current to pass through them.
-
Question 6 of 10
6. Question
__________ is an example of good conductor of electricity.
Correct
Lemon juice is an example of good conductor of electricity because lemon juice allows electric current to pass through them easily.
Incorrect
Lemon juice is an example of good conductor of electricity because lemon juice allows electric current to pass through them easily.
-
Question 7 of 10
7. Question
__________ is an example of poor conductor of electricity.
Correct
Vegetable oil is an example of poor conductor of electricity because vegetable oil doesn’t allow electric current to pass through them.
Incorrect
Vegetable oil is an example of poor conductor of electricity because vegetable oil doesn’t allow electric current to pass through them.
-
Question 8 of 10
8. Question
__________ is an example of poor conductor of electricity.
Correct
Kerosene is an example of poor conductor of electricity because kerosene doesn’t allow electric current to pass through them.
Incorrect
Kerosene is an example of poor conductor of electricity because kerosene doesn’t allow electric current to pass through them.
-
Question 9 of 10
9. Question
Electric lamp glows due to __________ effect.
Correct
Electric lamp glows due to heating effect.
Incorrect
Electric lamp glows due to heating effect.
-
Question 10 of 10
10. Question
Flow of electron is called ___________
Correct
Flow of electron is called electric current.
Incorrect
Flow of electron is called electric current.