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Chemistry

Chemistry
Which of the following has the highest lattice energy

NaF
CsF
RbF
KF

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Chemistry
Which acid is used in Lead storage battery?

Acetic acid
Hydrochloric acid
Sulphuric acid
Nitric acid

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Chemistry
Which of the following electrodes is used in strongly alkaline solution

Silver - silver chloride electrode
Mercury - mercurous chloride electrode
Mercury - mercuric oxide electrode
Mercury - mercurous sulphate electrode

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Chemistry
Main pollutants released from iron and steel industry are

CO2, NO2 and SO3
NO, SO3 and H2S
CO, CO2 and SO2
CO2, H2S and NO2

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Chemistry
The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas

Will be doubled
Remains unchanged
Will be reduced to half
Will increase four-fold

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Chemistry
Which one of the following is not coal variety?

Bituminous
Dolomite
Peat
Lignite

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