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Chemistry

Chemistry
DDT and BHC may act as

Allergens
Carcinogens
None of these
Asthematic agents

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Chemistry
The monomer of polythene is

None of these
ethyl alcohol
vinyl chloride
ethylene

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Chemistry
The gas produced in marshy places due to decomposition of vegetation is

Methane
Carbon dioxide
Carbon monoxide
Sulphur dioxide

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Chemistry
Molality of pure water is

55.5
1.8
5.55
18

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Chemistry
Total number of naturally occurring elements

110
92
98
62

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Chemistry
The coordination number of body centered atom in cubic structure is

6
10
4
8

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MORE MCQ ON Chemistry

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