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Chemistry

Chemistry
The number of moles of solute present in 1 kg of a solvent is called its

molarity
molality
formality
normality

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Chemistry
Which one of the following metals pollutes the air of a city having large number of automobiles?

Cadmium
Chromium
Lead
Copper

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Chemistry
The gas used in the artificial ripening of fruits is

Butane
Ethane
Methane
Acetylene

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Chemistry
Many people died in London in 1952 as result of air pollution producing

Fog
Sleet
Mist
Smog

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Chemistry
Wax used for making candle is chemically a mixture of

Aliphatic hydrocarbons
Aromatic hydrocarbons
Cyclic hydrocarbons
Aliphatic and aromatic hydrocarbons

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Chemistry
Ozone depletion in the atmosphere is mainly caused by

Chlorofluorocarbon
Hydrogen sulphide
Sulphur dioxide
Nitrogen dioxide

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MORE MCQ ON Chemistry

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