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Chemistry

Chemistry
Which one is the most dense liquid from the below

None of these
Gasolin
Choloform
Water

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Chemistry
Interveinal necrotic spots on leaves appear due to

O3injury
HF injury
SO2injury
NO2injury

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Chemistry
The lowest layer of earth's atmosphere is

Mesosphere
Stratosphere
Troposphere
Ionosphere

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Chemistry
Which one of the following is found in Vinegar ?

Propionic acid
Butyric acid
Formic acid
Acetic acid

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Chemistry
Brass is a solution of molten copper in

Solid zinc
Molten zinc
Molten tin
Gaseous zinc

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Chemistry
Which one is the purest form of carbon

Diamond
Coal
Iron
Graphite

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