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Chemistry

Chemistry
CNG used in automobiles to check pollution, mainly consists of

CO2
CH4
N2
H2

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Chemistry
Rock salt is a mineral containing

Sodium
Iron
Potassium
Magnesium

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Chemistry
Atoms of same element having different mass numbers are called________

Isomers
Isotopes
Isobars
Isotones

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Chemistry
The process of improving the quality of rubber by heating it with sulphur is called.

Acceleration
Vulcanization
Sulphonation
Galvanization

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Chemistry
Hardest allotrope of carbon is

Coke
Diamond
Graphite
Lamp black

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Chemistry
Basicity of boric acid, H3BO3 is

3
5
4
2

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MORE MCQ ON Chemistry

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