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Chemistry

Chemistry
Which gas does not form the part of atmosphere ?

Nitrogen
None of these
Helium
Chlorine

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Chemistry
Bleaching powder is used in drinking water as a/an

Disinfectant
Coagulant
Antibiotic
Antiseptic

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Chemistry
Which of the following is the main compound of voter ink?

Ammonium Chloride
Silver Chloride
Silver nitrate
Ammonium Nitrate

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Chemistry
Brass is made of

Copper and tin
Copper, tin and zinc
Tin and lead
Copper and zinc

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Chemistry
Which one of the following is not coal variety?

Peat
Lignite
Bituminous
Dolomite

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Chemistry
Sea water can be purified by the process of

Fractional distillation
Distillation
Evaporation
Filtration

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MORE MCQ ON Chemistry

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