MEDIUM
8th CBSE
IMPORTANT
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Most acids and bases when dissolved in water make it a conductor of electricity. (good/bad)

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Important Questions on Chemical Effects of Electric Current

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q C
Oxygen and nitrogen gases are liberated during electrolysis of water.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q C
Vinegar is a good conductor of electric current.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q C
Electric current can pass through all liquids.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q C
To coat an iron nail with a layer of tin, iron nail should be placed at the anode.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q C
Electrons are the charge carriers in solids.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q C
Both electrons and ions are the charge carriers in liquids.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q C
Honey is capable of forming ions within it.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q D

Match the following

Column A Column B

1. Insulator

a. Positively charged ions

2. Cathode

b. Asbestos

3. Cations

c. Electrode which attracts cations

4. Anode

d. Decomposition of electrolyte by passage of electric current

5. Electrolysis

e. Electrode at which attracts anions