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Chemistry

Chemistry
Which is not a green house gas ?

CH4
N2O
CO2
Chlorofluorocarbons

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Chemistry
The name of unreactive gas is

Hydrogen
Carbon dioxide
Oxygen
Nitrogen

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Chemistry
Supersonic jet causes pollution by thinning of

CO2 layer
O3 layer
SO2 layer
O 2 layer

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Chemistry
Muddy water is treated with alum in purification process, itis termed as :

Absorption
Coagulation
Adsorption
Emulsification

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Chemistry
How many neutrons does iron have

8
26
13
30

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Chemistry
Who modified Bohr's theory by introducing elliptical orbits for electron path

Sommerfeld
Rutherford
Hund
Thomson

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MORE MCQ ON Chemistry

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