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Chemistry

Chemistry
In ice, the number of hydrogen bonds per water molecule is

1
2
4
8

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

Nitrogen
Carbon dioxide
Oxygen
Hydrogen

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Chemistry
Vinegar made by fermentation from cane sugar contains

Palmitic acid
Lactic acid
Citric acid
Acetic acid

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Chemistry
The name of plastic polymer from which combs, toys, bowls etc., can be made, is

Polyurethane
Metallic polysulphides
Polystyrene
Teflon

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Chemistry
The chemical name of rat poison is

Potassium cyanide
Zinc phosphide
Lead nitrate
Zinc oxide

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Chemistry
Which is the highest quality of hard coal?

Peat
Bituminous
Lignite
Anthracite

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MORE MCQ ON Chemistry

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