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Chemistry

Chemistry
Supersonic jet causes pollution by thinning of

O3 layer
CO2 layer
O 2 layer
SO2 layer

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Chemistry
Two elements which can form a large number of compounds are

Carbon and Sulphur
Carbon and Oxygen
Carbon and Hydrogen
Carbon and Nitrogen

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Chemistry
The major constituent of air is

hydrogen
oxygen
carbon dioxide
nitrogen

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Chemistry
In vulcanisation process, rubber can be hardened by adding

Sulphur
Alcohol
Silicon
Nitrogen

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Chemistry
Sodium Carbonate is commonly known as

Baking Soda
Caustic Soda
Caustic Potash
Washing Soda

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Chemistry
The noble gas used in radiotherapy is

Xenon
Radon
Argon
Neon

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MORE MCQ ON Chemistry

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