MEDIUM
10th ICSE
IMPORTANT
Earn 100

What is the difference between calcination and roasting?

Important Questions on Metallurgy

MEDIUM
10th ICSE
IMPORTANT
Name the process used for the enrichment of sulphide ore.
MEDIUM
10th ICSE
IMPORTANT
Write the chemical formula of one main ore of iron and aluminium.
MEDIUM
10th ICSE
IMPORTANT
Write the constituents of electrolyte for the extraction of aluminium.
MEDIUM
10th ICSE
IMPORTANT

Choose from the following metals to answer the question given below.

Aluminium, calcium, copper, iron, magnesium, potassium, nickel and zinc.

Name a metal that is manufactured by the electrolysis of its molten oxide.

EASY
10th ICSE
IMPORTANT

Choose from the following metals to answer the question given below.

Aluminium, calcium, copper, iron, magnesium, potassium, nickel, zinc

Name a metal which is used to galvanise iron.

EASY
10th ICSE
IMPORTANT

Choose from the following metals to answer the question given below.

Aluminium, calcium, copper, iron, magnesium, potassium, nickel, zinc.

Name a metal which is alloyed with zinc to make brass.

HARD
10th ICSE
IMPORTANT

Choose from the following metals to answer the question given below.

Aluminium, calcium, copper, iron, magnesium, potassium, nickel, zinc.

Name a metal which reacts with aqueous copper (II) sulphate to give a pink solid.

HARD
10th ICSE
IMPORTANT
Explain the following:
Reactivity of Al decreases, if it is dipped in HNO3.