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Chemistry

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

CaF2
Cal2
Cacl2
CaBr2

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Chemistry
By-product obtained by soap industry is

Caustic soda
Caustic potash
Naphthalene
Glycerol

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Chemistry
White phosphorus is generally kept under

Glycerine
Kerosene oil
Water
Alcohol

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Chemistry
Air shows the property of

Both A and B
N2
O2
None of these

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Chemistry
Nitrogen fixation is a process of

Conversion of organic nitrogen to proteins
Assimilation of nitrate
Utilisation of nitrogen gas
Conversion of molecular nitrogen to ammonia

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Chemistry
In the electroplating of gold, the electrolyte used is

Gold sulphate
Potassium aurocyanide
Gold nitrate
Gold chloride

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