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Chemistry

Chemistry
Wood spirit is

Ethyl alcohol
Propyl alcohol
Butyl alcohol
Methyl alcohol

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Chemistry
Coal is formed from

Compressed and hardened biomass
Coke
Crude oil
Deposit of animal waste

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

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

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Chemistry
Spirit in contact with body gives cool sensation because it is :

Transparent
Highly volatile
A good conductor
Liquid

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Chemistry
Which one is not a primary greenhouse gases in the Earth's atmosphere

Carbon dioxide
Methane
Ozone
Nitrogen

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Chemistry
What is the atomic number of mercury

41
32
80
63

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