EASY
8th CBSE
IMPORTANT
Earn 100

Why does the blue colour of copper chloride fade away gradually during electrolysis?

Important Questions on Chemical Effects of Electric Current

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 1
The nucleus of an atom is surrounded by negatively charged particles called _____.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 1
Water in its pure form is a _____ conductor of electricity. (bad/good)
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 1
Dry wood is a/an _____ . (conductor / insulator)
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q A
Which of the following methods can be used to make distilled water conduct electricity?
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q B
The nucleus contains positively charged particles called _____. (electrons/protons)
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.