MEDIUM
10th ICSE
IMPORTANT
Earn 100

Explain its significance in the extraction of aluminium:

Bauxite.

Important Questions on Metallurgy

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

Explain its significance in the extraction of aluminium:

Sodium hydroxide

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

Explain its significance in the extraction of aluminium:

Cryolite.

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

Explain its significance in the extraction of aluminium:

Graphite.

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 8

Distinguish between electrolytic methods of reduction and refining.

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 9

Give three ways in which the metal zinc differs from the non-metal carbon. At least one of the differences must be a chemical difference.

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 10
Aluminium is a more active metal than iron, but suffers less corrosion. Why?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 10
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>EXERCISE-7C>Q 11
In Hoope’s process, pure aluminium is collected at the _____ (top/bottom) of the electrolytic cell.