MEDIUM
10th CBSE
IMPORTANT
Earn 100

Why silver anklets lose their shine and become dull and gradually turn black? Give reaction involved.

Important Questions on Metals and Non-Metals

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?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 9>Q 20
How do you think painting and oiling prevent iron articles from getting rusted?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 10>Q 1
Define alloy.