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Chemistry

Chemistry
Which one of the following is found in Vinegar ?

Propionic acid
Butyric acid
Formic acid
Acetic acid

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Chemistry
Which one of the following is a major green house gas?

Freon
Carbon monoxide
Chloro fluorocarbon
Carbon dioxide

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Chemistry
Select the one which is not a mixture :

LPG
Distilled water
Air
Gasoline

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Chemistry
Alum is used as

A fertilizer
A disinfectant
An analgesic
A purifier for water

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Chemistry
The nucleus of a hydrogen atom consists of

1 electron only
1 neutron only
1 proton + 2 neutron
1 proton only

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Chemistry
The percentage of Nitrogen in Air is

85.02
78.03
0.03
0.94

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MORE MCQ ON Chemistry

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