Free CBSE Class 8 Science Chemical effects of Electric Current Worksheets

Download free printable Chemical effects of Electric Current Worksheets to practice. With thousands of questions available, you can generate as many Chemical effects of Electric Current Worksheets as you want.

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Sample CBSE Class 8 Science Chemical effects of Electric Current Worksheet Questions

1.
State True or False: Oxygen gas bubbles will appear near positively charged electrodes when current is passed through a conducting solution of water.
1. true 2. false
2.
State True or False: Alcohol water conducts electricity.
1. true 2. false
3.
What substances can be added to distilled water in small amounts to make it a good conductor of electricity?
4.
Expand LED.
5.
 How conducting properties of substances can be proved when the current is very small and the bulb does not glow?
6.
Why is tin electroplated on iron for making cans used for storing food?
7.
Why should electrical appliances never be handled with wet hands?
8.
State True or False: Rainwater conducts electricity.
1. true 2. false
9.
Fill in the blanks: Small amount of a mineral salt present naturally in water makes it a______________ of electricity.
10.
Fill in the blanks: For electroplating silver on an iron spoon, the __________ terminal of the battery should be connected to the spoon.

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