EASY
10th CBSE
IMPORTANT
Earn 100

Diagrammatically how will you represent aluminium ion formation?

Important Questions on Metals and Non-Metals

MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 11
Explain the formation of calcium oxide.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 12
Explain the sharing of electrons in nitrogen molecule.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 14
Why silver anklets lose their shine and become dull and gradually turn black? Give reaction involved.
HARD
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 15
Give reason - pure gold is not used for making jewellery.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 15

Give reason:

Why solder is used for electric wires.

MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 15
Give reason alloys of iron are used for making paintings.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 16

Write the answer for following.

(a) What are the conditions necessary for rusting of iron?
(b) Give any three methods of preventing rusting of iron.

MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 18
Explain the thermite reaction with chemical equations involved.