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Chemistry

Chemistry
One carat of diamond is equal to

250 mg
200 mg
100 mg
150 mg

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Chemistry
Ultraviolet rays can be used in water treatment as

Disinfectant
Precipitator
Hydrolyser
Flocculator

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Chemistry
The drug ‘Marijuana’ is a

Sedative
Tranquillizer
Hallucinating substance
Mental stimulant

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Chemistry
Bauxite is an alloy of which of the following metals ?

Iron
Tin
Aluminium
Silver

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Chemistry
Nitrification is the biological process of converting

Ammonia into nitrite
N2into nitrite
Ammonia into N2
N2 into nitrate

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Chemistry
Which of the following elements is found in all organic compounds

Carbon
Nitrogen
Calcium
Oxygen

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MORE MCQ ON Chemistry

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