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Chemistry

Chemistry
Hardest allotrope of carbon is

Lamp black
Coke
Graphite
Diamond

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Chemistry
The formula C6H5-CO-CH3 represents

Acetone
Acetic acid
Phenyl acetate
Acetophenone

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

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

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Chemistry
The process which does not evolve CO2 in air is

Breathing
Organic delay
Burning
Photosynthesis

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Chemistry
Zinc sulphide is commonly used as

Fungicide
Herbicide
Deodorant
Rodenticide

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Chemistry
Which among the following is found in chlorophyll ?

Ca2+
Mg2+
A l3+
Fe2+

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MORE MCQ ON Chemistry

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