EASY
8th CBSE
IMPORTANT
Earn 100

Mercury is a liquid that conducts electricity. What constitutes a current through it?

Important Questions on Chemical Effects of Electric Current

EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q A
A metal is released in the electrolysis of a salt. At which electrode will it be deposited?
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q A
Why is an acid or an ionic salt added to water in the electrolysis of water?
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q B
Why are metals good conductors of electricity?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q B
What are electrolytes? Give examples.
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q B
What happens when a voltage is applied across electrodes placed in an electrolyte?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q C
Explain electrolysis. What happens in the electrolysis of water?
HARD
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q C
Write the uses of electrolysis.
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q C
What is electroplating? How are steel spoons plated with silver?