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Chemistry

Chemistry
In silvery paints, the main constituent present is

Aluminium powder
White lead
Silver powder
Lead powder

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Chemistry
London smog is found in

Summer during morning time
Summer during day time
Winter during day time
Winter during morning time

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Chemistry
Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere?

Nitrous oxide
Chlorofluorocarbons
Sulphur dioxide
Carbon dioxide

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Chemistry
Which of the following is used in making smoke bombs?

Carbon
Hydrogen
Sulphur
Phosphorus

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Chemistry
The octane number of zero is assigned to

3-methyl octane
iso-octane
n-heptane
2-methyl octane

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Chemistry
KMnO4 can be used as

Insecticide
Pesticide
Disinfectant
Fertilizer

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MORE MCQ ON Chemistry

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