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Chemistry

Chemistry
Which one is not a primary greenhouse gases in the Earth's atmosphere

Methane
Nitrogen
Carbon dioxide
Ozone

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Chemistry
Which one of the following is found in kidney stones?

Calcium oxalate
Calcium acetate
Sodium chloride
Sodium oxalate

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Chemistry
Cloud is a colloidal dispersion of

Air in a dispersion medium of water
Fog in a dispersion medium of water
Mist in a dispersion medium of air
Water drops in a dispersion medium of air

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Chemistry
An element of atomic no. 29 belongs to

F-block
P-block
S-block
D-block

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Chemistry
What is the element that is in the highest percentage in the composition of the earth ?

Magnesium
Oxygen
Iron
Silicon

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Chemistry
Green house effect is accelerated by

All of these
Increased transportation activity
Deforestation
Rapid industrialization

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MORE MCQ ON Chemistry

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