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CHEMISTRY

Chemistry
The natural resource, known as black gold is

Tin
Lead
Coal
Platinum

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Chemistry
The chief constituent of natural gas is:

Helium
Propane
Methane
Nitrogen

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Chemistry
The resources which can be used continuously, year-after -year are called

Biotic
Abiotic
Non-renewable
Renewable

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Chemistry
The highest volume of gases in lower atmosphere is comprised of

Oxygen
Hydrogen
Nitrogen
Carbon dioxide

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Chemistry
What is the maximum Water Vapour content in the atmosphere?

3 to 4 per cent
5 to 6 per cent
4 to 5 per cent
2 to 3 per cent

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