EASY
12th Odisha Board
IMPORTANT
Earn 100

What is the function of limestone in the extraction of iron in the Blast furnace method?

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 28
What is formed when a flux reacts with the gangue materials?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 29
What are the reducing agents inside a Blast furnace.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 30
Name two metals purified by electrolytic refining process.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 31
What is the name of the main constituent of slag in the blast furnace during the extraction of iron?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 32
In which type of ores, froth floatation process is generally used for metallurgy?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 33

Balance the following equation:

Al+Fe3O4→Al2O3+Fe

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 34
Name the process by which sulphide ore is concentrated.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 35
Give an example of acidic flux.