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Chemistry

Chemistry
Limestone is a raw material used by which industry?

Aluminium
Petrochemicals
Cement
Fertilizers

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Chemistry
Chemical name of Gammaxane is

Aniline
Benzene hexachloride
Chloro benzene
Toluene

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Chemistry
Which one of the following organic compound is used to remove stains of iron compounds?

Benzoic acid
Oxalic acid
Phthalic acid
Cinnamic acid

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Chemistry
Catalytic converters are generally made from :

Transition metals
Hydrogen
Alkaline metals
Carbon

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Chemistry
The gas used in the manufacture of vanaspati from vegetable oil is

hydrogen
carbon dioxide
nitrogen
oxygen

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

Absorption
Coagulation
Adsorption
Emulsification

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