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Chemistry

Chemistry
Nylon is made up of :

Polypropylene
Polyester
Polyethylene
Polyamide

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Chemistry
The alkaloid naturally found in coffee, cocoa and cola nut is

Tannin
Caffeine
Cocaine
Morphine

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Chemistry
The depletion of ozone layer is due to

Sulphur dioxide
Carbon dioxide
Chloro fluoro carbon
Ethane

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Chemistry
The weight of 6.023 × 1022 atoms of carbon is

120 gms
1.2 gms
0.12 gms
12 gms

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Chemistry
The main constituent of biogas is

Acetic acid
Methane
Methyl alcohol
Oxygen

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Chemistry
Trinitrotoluene is

Used as an abrasive
Used to fuse two metals
Used to melt metals
Used as an explosive

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MORE MCQ ON Chemistry

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