MEDIUM
10th CBSE
IMPORTANT
Earn 100

Does the copper regain its colour after getting corroded? How?

Important Questions on Metals and Non-Metals

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 12
How zinc protects iron from rusting?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 13
Why silver anklets lose their shine and become dull and gradually turn black? Give reaction involved.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 14
How the corrosion takes place in aluminium articles?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 15
How corrosion of aluminium prevented?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 16
What is rust? How is it formed?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 17
What are the conditions necessary for rusting of iron?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 18
Give any three methods of preventing rusting of iron.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 19
What is meant by tin plating, chrome plating and nickel plating?