MEDIUM
10th ICSE
IMPORTANT
Earn 100

Which impurities are present in bauxite?

Important Questions on Metallurgy

MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 2

What is red mud, how is it removed?

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 6

Explain with reasons :

In the electrolytic reduction of alumina, the graphite anode is gradually consumed.

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 6

Explain with reasons :

Why the anode has to be replaced from time to time in this process?

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 6
Explain with reasons :
Roasting is carried out on sulphide ores and not on carbonate ores.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 6

Explain with reasons :

Carbon can reduce lead oxide but not aluminium oxide.

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 6

Explain with reasons:

Electrotytic reduction is done to obtain aluminium ?

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 6

Explain with reasons :

Why ‘the food containing iron salts’ should not be cooked in aluminium utensils?

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 6

Explain with reasons :

A neutral gas other than oxygen is formed at the anode during electrolysis of fused alumina.