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Chemistry

Chemistry
The metal present in vitamin B12 is

Mg
Mo
Fe
Co

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Chemistry
Burning pyrites ore gives out

Sulphur dioxide gas
Nitrogen dioxide gas
Nitric oxide gas
Carbon dioxide gas

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Distillation
Filtration
Sedimentation
Sublimation

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Chemistry
Muddy water is treated with alum in purification process, itis termed as :

Absorption
Adsorption
Coagulation
Emulsification

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Chemistry
White phosphorus is generally kept under

Glycerine
Water
Kerosene oil
Alcohol

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Chemistry
Ultra purification of a metal is done by :

Leaching
Zone melting
Slugging
Smelting

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MORE MCQ ON Chemistry

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