EASY
10th West Bengal Board
IMPORTANT
Earn 100

Give the constituents of electrolyte for the extraction of aluminium.

Important Questions on Metallurgy

MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 5
Give the equation stating condition: the reaction between calcium carbide and water.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 6
What is thermite?
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 7
Write note on galvanization.
HARD
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 8
How in pure alumina obtained from bauxite?
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 9
Why cryolite and fluorspar are added to alumina during the extraction of aluminium?
MEDIUM
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 10
What is meant by tempering of hard steel?
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 11
Name three processes used for the concentration of ores.