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Chemistry

Chemistry
The strongest acid of the following is

P-nitrophenol
P-chlorophenol
M-nitrophenol
O-nitrophenol

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Chemistry
How many electrons can be accommodated in d-orbital

10
6
3
8

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

Sulphonation
Vulcanization
Acceleration
Galvanization

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Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Maltase
Invertase
Zymase
Diastase

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Chemistry
Biofertilizers convert nitrogen to ________ .

Nitrates
Amino acids
Nitrogenase
Ammonia

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Chemistry
Brass is a

Homogeneous mixture
Compound
Element
Heterogeneous mixture

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