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10th West Bengal Board
IMPORTANT
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For galvanisation, iron articles are galvanised by zinc.

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Important Questions on Metallurgy

EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 2
'German Silver' is an alloy of silver.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 3
Limonite is a mineral of calcium.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 4
Stainless steel is an alloy containing Chromium and Nickel.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 5
Corrosion of iron is known as rusting.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 6
Zinc-amalgam contains zinc and aluminium.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 7
Zinc oxide is used in making cosmetics.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 8
Carbonate ores are roasted to get metal oxide.
EASY
10th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 12 - Metallurgy>EXERCISE>Q 9
A waste material formed in the furnace when flux reacts with gangue is known as 'slag'.