HARD
10th CBSE
IMPORTANT
Earn 100

Give reason - pure gold is not used for making jewellery.

Important Questions on Metals and Non-Metals

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.

HARD
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 17
Schematically represent the various steps involved in the extraction of metals from their ores.
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.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 19
Illustrate the double covalent bond formation with an example.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 20
Show an experiment to show the displacement reactions of metals with other metal salt solutions.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>MOCK TEST - 1>Q 21
Compare the physical properties of metals and non-metals with respect to malleability, ductility, conductivity, physical states and melting and boiling point.