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Chemistry

Chemistry
The inherited traits of an organism are controlled by

RNA molecules
DNA molecules
nucleotides
enzymes

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Chemistry
Which one of the following elements is least likely to be found in commercial fertilisers?

Nitrogen
Silicon
Potassium
Phosphorous

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Chemistry
Bhopal gas tragedy is associated with leakage of

Sulphur dioxide
Nitrogen dioxide
Methyl isocyanate
Carbon dioxide

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Chemistry
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of

p-electrons in Ne(Z = 10)
d-electrons in Fe(Z = 26)
s-electrons in Mg(Z = 12)
p-electrons in CI(Z = 17)

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Chemistry
Iron is extracted from

Haematite
Cinnabar
Dolomite
Bauxite

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Chemistry
Aspirin is common name of

Salicylate
Methyl Salicylate
Acetyl Salicylic Acid
Salicylic Acid

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MORE MCQ ON Chemistry

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