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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Invertase
Maltase
Zymase
Diastase

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Chemistry
Hardest allotrope of carbon is

Coke
Lamp black
Diamond
Graphite

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Chemistry
Laughing gas is

Nitrous oxide
Nitric oxide
Nitrogen pentoxide
Nitrogen trioxide

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Chemistry
Which one of the following metals is used to galvanise iron ?

Copper
Zinc
Mercury
Lead

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Chemistry
The drug ‘Marijuana’ is a

Sedative
Hallucinating substance
Mental stimulant
Tranquillizer

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

O-chlorophenoxylenol + terepineol
Chloroxylenol + terepineol
O-cresol + terepineol
Phenol + terepineol

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MORE MCQ ON Chemistry

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