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Chemistry

Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Cu
Pb
Pt
Ni

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Chemistry
The monomer of polythene is

vinyl chloride
ethyl alcohol
ethylene
None of these

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Chemistry
Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between

50 and 100 km
5 and 10 km
10 and 20 km
20 and 50 km

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Chemistry
In vulcanisation process, rubber can be hardened by adding

Alcohol
Nitrogen
Sulphur
Silicon

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Chemistry
Aspirin is chemically known as

Methyl salicylate
Alkylsalicylic acid
Hydroxysalicylate
Acetylsalicylic acid

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Chemistry
The sewage obtained from water closets and urinals is known as

Sullage
Garbage
Industrial waste
Sanitary waste

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MORE MCQ ON Chemistry

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