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Chemistry

Chemistry
Sour milk contains

Tartaric acid
Lactic acid
Citric acid
Acetic acid

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Chemistry
The chief source of naphthalene is

Coal-tar
Diesel
Charcoal
Camphor

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Chemistry
Of the following compounds of calcium, the one having highest covalent character is

CaF2
Cacl2
CaBr2
Cal2

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Chemistry
Helium is added to the oxygen supply of deep sea divers because it is

Readily miscible with oxygen
Less poisonous than nitrogen
Less soluble in blood than nitrogen at high pressure
Lighter than nitrogen

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Chemistry
The chemical name of rat poison is

Zinc phosphide
Potassium cyanide
Lead nitrate
Zinc oxide

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Chemistry
Nitrogen in water is commonly found in the form of

Nitrate
Nitric oxide
Nitrite
Nitrous oxide

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MORE MCQ ON Chemistry

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