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Chemistry

Chemistry
The maximum number of covalent formed by nitrogen is

1
4
2
3

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Chemistry
The main source of Naphthalene is

Camphor
Diesel
Coal-tar
Charcoal

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Chemistry
Which of the following is not a derivative of barbituric acid

Amytal
Equanil
Nembutal
Veronal

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Chemistry
Denatured spirit is ethanol mixed with

Pyridine
Petrol
Kerosene
Water

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Chemistry
Which one of the following chemicals helps in fruit ripening?

Isoproturan
Malathion
Atrazine
Ethephon

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Chemistry
Which of the following is used to denature ethanol ?

Methane
Methyl alcohol
Phenol
Propyl alcohol

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