EASY
8th CBSE
IMPORTANT
Earn 100

Why is an acid or an ionic salt added to water in the electrolysis of water?

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 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?
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q D
An electrode connected to the negative terminal of a battery is called the _____ .
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q D
In the electrolysis of water, hydrogen is formed at the _____. (Anode/Cathode)