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Chemistry

Chemistry
Major gaseous pollutant of the thermal power station is

NO2
NH3
H2 S
SO2

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Chemistry
The metal ion present in Vitamin B12 is

Cobalt
Zinc
Iron
Nickel

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Chemistry
Aspirin is common name of

Salicylate
Methyl Salicylate
Acetyl Salicylic Acid
Salicylic Acid

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Chemistry
The greenhouse effect is caused by the higher level of which gas in the atmosphere ?

Sulphur dioxide
Nitrous oxide
Carbon monoxide
Carbon dioxide

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Chemistry
The major harmful gas emitted by automobile vehicles which causes air pollution is

Carbon Monoxide
Methane
Carbon dioxide
Ozone gas

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Chemistry
The number of electrons presents in H+ is

zero
two
one
three

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