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Chemistry

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

Pb
Cu
Ni
Pt

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Chemistry
Chemical name of vinegar is

Acetic acid
Acetone
Ethanol
Formaldehyde

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Chemistry
The electronic configuration of an atom having atomic number ‘20’ is

2, 8, 10
2, 6, 8, 4
2, 8, 8, 2
2, 10, 8

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Chemistry
Which one is the simplest aromatic hydrocarbon

Picric acid
Chloride
Aspirin
Benzene

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Chemistry
The percentage of nitrogen present in ammonium sulphate is :

0.18
0.305
0.25
0.27

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Chemistry
The quality of petrol is expressed in terms of

Cetane number
Gold number
Added unlead compounds
Octane number

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MORE MCQ ON Chemistry

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