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Chemistry

Chemistry
The smog is essentially caused by the presence of

Oxides of N and S
O3 and N2
O2 and N2
O2 and O3

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Chemistry
Water gas is the combination of

CO and H2
CO and H2O
CO2and H2
CO2 and CO

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Chemistry
Chemically ‘Quick Silver is known as

Mercury
Copper
Aluminium
Silver

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Chemistry
Alum is used as

An analgesic
A fertilizer
A disinfectant
A purifier for water

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Chemistry
Iron filings can be separated from a heterogenous mixture using the technique of :

Sedimentation
Magnetization
Sublimation
Evaporation

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Chemistry
Major gaseous pollutant of the thermal power station is

NH3
H2 S
SO2
NO2

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MORE MCQ ON Chemistry

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