What is self-reduction in metallurgy. Give example.

Important Questions on General Principles and Processes of Isolation of Elements

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 12

What is meant by smelting in metallurgy?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 13

Which ore is suitable for carbon reduction? Explain with one example.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 14

What do you understand by carbon reduction in metallurgy? Give an example.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 15

What happens to the ore during roasting?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 16

What is flux? Give an example.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 17

What is the function of limestone in the extraction of iron? Give equation to explain this action.

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 1

What is the significance of leaching in the extraction of aluminium?

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 2

When a metal is formed in the liquid state, then the process of reduction is easier. Comment on the statement.