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Chemistry

Chemistry
The polymer used in making plastic crockery is

Nylon
Decron
Bakelite
Melamine

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Chemistry
DDT and BHC may act as

Allergens
Carcinogens
None of these
Asthematic agents

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Chemistry
The chemical bahaviour of an atom depends upon

The number of protons in its nucleus
The number of neutrons in the nucleus
The number of nucleons in the nucleus
The number of electrons orbiting around the nucleus

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Chemistry
Sea weeds are important source of

Iodine
Bromine
Iron
Chlorine

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Chemistry
One carat of diamond is equal to

150 mg
250 mg
100 mg
200 mg

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Chemistry
Which among the following is liquid non-metal ?

Water
Mercury
Bromine
Alcohol

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MORE MCQ ON Chemistry

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