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Chemistry

Chemistry
The inherited traits of an organism are controlled by

DNA molecules
RNA molecules
nucleotides
enzymes

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Chemistry
An example of major air pollutant is

Oxygen
Carbon dioxide
Carbon monoxide
Helium

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Chemistry
Number of neutrons in an atom of hydrogen is

One
Zero
Two
Three

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Chemistry
The name of plastic polymer from which combs, toys, bowls etc., can be made, is

Polystyrene
Polyurethane
Teflon
Metallic polysulphides

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Chemistry
The laws of electrolysis are given by

Faraday
Arrhenius
Ostwald
Lewis

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Chemistry
Sulphur dioxide level in the atmosphere can be reduced by using

More efficient car engines
Static electricity to attract it in factory chimneys
Catalytic converters in industry
Low - sulphur fuels

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MORE MCQ ON Chemistry

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