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Chemistry

Chemistry
Cinnabar is an ore/mineral of

Manganese
Mercury
Lead
Molybdenum

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Chemistry
Philosopher’s wool is chemically

Calcium oxide
Aluminium oxide
Magnesium oxide
Zinc oxide

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Chemistry
An emulsifier is an agent which

Homogenises an emulsion
Accelerates the dispersion
Stabilises an emulsion
Aids the flocculation of an emulsion

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Chemistry
When Hydrogen starts burning in air, it produces ?

Water
Carbonic Acid
Ammonia
Methane

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Chemistry
Which of the following is not a method of preparing oxygen?

Decomposition of potassium permanganate
Fractional distillation of liquid air
Decomposition of manganese dioxide
Electrolysis of water

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Chemistry
Tear gas is :

Chloroprene
Carbonyl chloride
Bleaching powder
Nitrous oxide

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MORE MCQ ON Chemistry

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