MEDIUM
10th Chhattisgarh Board
IMPORTANT
Earn 100

Explain the following technique used in concentration of ore:

Gravity separation method.

Important Questions on Metals and Metallurgy

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 9 - Metals and Metallurgy>Exercise>Q 8

Explain the following technique used in concentration of ore:

Froth flotation process.

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 9 - Metals and Metallurgy>Exercise>Q 8

Explain the following technique used in the concentration of ore:

Magnetic separation method.

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 9 - Metals and Metallurgy>Exercise>Q 9

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

Concentration of ore. 

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 9 - Metals and Metallurgy>Exercise>Q 9

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
Science (Theory & Practical) Class-10>Chapter 9 - Metals and Metallurgy>Exercise>Q 9

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

Diagram of blast furnace.

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 9 - Metals and Metallurgy>Exercise>Q 10
Explain the electrochemical principle behind corrosion.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 9 - Metals and Metallurgy>Exercise>Q 11
Give reasons for:
Gold, silver and platinum are used in making jewelry.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 9 - Metals and Metallurgy>Exercise>Q 11

Give reasons for:

Sodium, potassium and lithium metals are stored under kerosene.