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Chemistry

Chemistry
Tear gas used by the police to disperse the mob contains

Carbon dioxide
Chlorine
Ammonia
Hydrogen sulphide

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Chemistry
The hottest part of the gas flame is known as

blue zone
non-luminous zone
dark zone
luminous zone

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Chemistry
Entropy of Universe is always

Increasing
Decreasing
Zero
Constant

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Chemistry
White coal is

None of these
Uranium
Hydro-electricity
Diamond

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Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Ethyl formate
Acetylene
Methyl alcohol
Methane

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Chemistry
Which one of the following contributes largely to the ‘green house effect’ ?

Carbon dioxide
Water vapour
Ozone
Carbon monoxide

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MORE MCQ ON Chemistry

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