MEDIUM
10th Chhattisgarh Board
IMPORTANT
Earn 100

Discuss the extraction of iron from hematite as per the following steps:

Concentration of ore. 

Important Questions on Metals and Metallurgy

MEDIUM
10th Chhattisgarh Board
IMPORTANT

Discuss the extraction of iron from hematite as per the following steps:

Reduction of oxide to metal (along with chemical equation)

MEDIUM
10th Chhattisgarh Board
IMPORTANT

Discuss the extraction of iron from hematite as per the following steps:

Diagram of blast furnace.

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Explain the electrochemical principle behind corrosion.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Give reasons for:
Gold, silver and platinum are used in making jewelry.
MEDIUM
10th Chhattisgarh Board
IMPORTANT

Give reasons for:

Sodium, potassium and lithium metals are stored under kerosene.

MEDIUM
10th Chhattisgarh Board
IMPORTANT

Give reasons for:

Although aluminium is an active metal it is still used to prepare cooking utensils.

MEDIUM
10th Chhattisgarh Board
IMPORTANT

Give reasons for:

Carbonate and sulphide ores are converted into their oxides for extraction of metal.