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Chemistry

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

4
8
1
2

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Chemistry
Which one of the following is not a fertilizer?

Calcium ammonium nitrate
Ammonium sulphate
Potassium nitrate
Calcium sulphate

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Chemistry
The fiber least prone to catch fire is

Polyester
Nylon
Terylene
Cotton

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Chemistry
In addition to hydrogen, the other abundant element present on Sun’s surface is

Neon
Helium
Oxygen
Argon

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Chemistry
The components of water can be separated by

Physical methods
They can not be separated
Both A and B
Chemical methods

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Chemistry
Candle is a mixture of

Higher fatty acids and stearic acid
Paraffin was and stearic acid
Bees wax and paraffin wax
Bees wax and stearic acid

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