HARD
10th CBSE
IMPORTANT
Earn 100

Write the chemical formula of cryolite. What is the purpose of adding it in the Hall’s process of extraction of aluminium?

Important Questions on Metals and Nonmetals

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 31
Why is sulphur used in the vulcanisation of rubber?
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 1
Describe two methods for the concentration of ores.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 2
Explain the following term: Metallurgy
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 2

Explain the following term: Flux

EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 2

Explain the following term:

Calcination

EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 2

Explain the following term:

Roasting

HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 3
Compare and contrast the properties of metals and non-metals.
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 5 - Metals and Nonmetals>EXERCISES>Q 4
Explain the method used for the extraction of aluminium from its ore. Illustrate your answer with the help of a neat, labelled diagram.