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Chemistry

Chemistry
The natural source of hydro-carbon is

Carbohydrates
Crude oil
Coal
Biomass

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Chemistry
Aluminium salt commonly used to stop bleeding is

Aluminium Chloride
Potash alum
Aluminium sulphate
Aluminium nitrate

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Chemistry
Curd is sour due to presenceof

Acetic acid
Tartaric acid
Lactic acid
Oxalic acid

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Chemistry
The gas that usually causes explosions in coal mines is

Air
Methane
Carbon monoxide
Hydrogen

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Chemistry
A substance which readily forms colloidal solution in contact with water is called

Hydrophobic colloid
Associated colloid
Extrinsic colloid
Hydrophilic colloid

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Chemistry
Earth’s atmosphere is an envelope of gases extending to a height of

100 km
200 km
300 km
150 km

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MORE MCQ ON Chemistry

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