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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Zymase
Diastase
Maltase
Invertase

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Chemistry
Normal rainwater is slightly acidic due to the presence of

Methane
None of these
Carbon dioxide
Sulphur dioxide

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Chemistry
Oxide of sulphur present in the atmosphere are washed down by rains to cause :

Eutrophication in lakes
Industrial smog formation
Depletion of fossil fuel reserves
Lowering of pH of soil

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Chemistry
What are the major pollutants of cigarette smoke?

Carbon monoxide and benzene
Dioxin and benzene
Carbon monoxide and nicotine
Carbon monoxide and dioxin

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Chemistry
The National Chemical Laboratory is situated in

Patna
Pune
New Delhi
Bangalore

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Chemistry
Which variety of coal contains recognisable traces of the original plant material ?

Lignite
Bitumen
Anthracite
Peat

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MORE MCQ ON Chemistry

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