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Chemistry

Chemistry
Stalactites and Stalagmites form due to the precipitation of :

CaCO3
CaCl2
MgCO3
MgCl2

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Chemistry
Malathion is a/an

Insecticide
Fumigant
Preservative
Pesticide

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Chemistry
The acid present in red ants is

Acetic acid
Formic acid
Caproic acid
Butyric acid

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Chemistry
Which one of the following organic compound is used to remove stains of iron compounds?

Cinnamic acid
Benzoic acid
Oxalic acid
Phthalic acid

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Chemistry
Ultraviolet radiation striking the earth is due to the depletion of

Oxygen
Ozone
Carbon dioxide
Carbon monoxide

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Chemistry
Stainless steel is an alloy of

Chromium and carbon
Chromium, carbon and iron
Carbon and iron
Chromium and iron

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