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Chemistry

Chemistry
DDT and BHC may act as

Allergens
None of these
Asthematic agents
Carcinogens

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Chemistry
The value of Avogadro Number is

6.023 × 1024
6.023 × 1023
6.023 × 1022
6.023 × 1025

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Chemistry
The chemical that is used to ripen mangoes is

Calcium carbide
Calcium carbonate
Calcium chloride
Calcium sulphide

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Chemistry
The chemical used in developing photographic films is

Hypo
Silver bromide
Hydroquinone
Sodium sulphate

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Chemistry
What is the mass percentage of carbon in carbon dioxide (CO2)

0.273
0.323
0.201
0.158

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

Veronal
Nembutal
Equanil
Amytal

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MORE MCQ ON Chemistry

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