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Chemistry

Chemistry
The main constituent of biogas is

Oxygen
Methane
Acetic acid
Methyl alcohol

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Chemistry
Nylon is made up of :

Polyester
Polypropylene
Polyamide
Polyethylene

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Chemistry
The scientist who experimentally proved the existance of positron is

Bohr
Fermi
Bethe
Anderson

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Chemistry
Which one of the following is a major green house gas?

Chloro fluorocarbon
Carbon monoxide
Carbon dioxide
Freon

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Chemistry
The percentage of oxygen in air is approximately

0.78
0.01
0.21
1

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Chemistry
Which of the following is used as filler in tyre of rubber ?

Carbon black
Coke
Graphite
Coal

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MORE MCQ ON Chemistry

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