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Chemistry

Chemistry
Which one of the following does not form oxyacid ?

Sulphur
Nitrogen
Fluorine
Chlorine

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Chemistry
Which is abundant in Gobar gas?

Oxygen
Methane
Carbon dioxide
Hydrogen

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Chemistry
Which mineral is the ore of aluminium ?

Bauxite
Magnetite
Haematite
Siderite

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Chemistry
Aspirin is

Acetyl Salicilic acid
Methyl Salicilate
Methoxy benzoic acid
Phenyl Salicilate

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Chemistry
The heat energy produced when the human body metabolises 1 gram of fat is

39 KJ
1 KJ
30 KJ
29 KJ

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Chemistry
Cement is usually a mixture of :

Calcium silicate and calcium aluminate
Lime stone and silicon dioxide
Calcium aluminate and calcium ferrate
Calcium silicate and calcium ferrate

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