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Chemistry

Chemistry
The inherited traits of an organism are controlled by

DNA molecules
nucleotides
RNA molecules
enzymes

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Chemistry
A thick paste of cement, sand and water is called

Mortar
Concrete
Kiln
R.C.C.

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Chemistry
The increasing abundance of green house gases in atmosphere has led to the following effect except

Oxygen fertilization effect
Depletion of ozone layer in the stratosphere
Global warming
Carbon dioxide ferilization effect

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Chemistry
Ozone depletion in the stratosphere is mainly caused by

SO2
NO
Chlorogluorocarbons
NO2

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Chemistry
Which one of the following minerals is found in pure form?

Manganese
Iron
Bauxite
Copper

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Chemistry
Which acid is used in Lead storage battery?

Nitric acid
Sulphuric acid
Hydrochloric acid
Acetic acid

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MORE MCQ ON Chemistry

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