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Chemistry

Chemistry
Of the following commonly used materials, the one that is not an alloy is

Bronze
Brass
Steel
Copper

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Chemistry
The most volatile of the given liquids is

Liquid He
Ether
Liquid
Liquid NH3

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Chemistry
Among the following, which is always found in free-state in nature?

Silver
Sodium
Gold
Copper

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Chemistry
What is a common name for the substance which irritates lachrymal glands ?

Tear Gas
Anaesthetic Gas
Noble Gas
Laughing Gas

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Chemistry
Galvanised iron is made by coating iron with

Chromium
Nickel
Zinc
Sulphur

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Chemistry
Galvanization is the :

Deposition of zinc on iron
Deposition of tin on iron
Deposition of copper on iron
Deposition of aluminium on iron

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