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Chemistry

Chemistry
The antiparticle of an electron is

Alpha particles
Positron
Proton
Beta particles

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Chemistry
Gobar gas contains mainly :

Methane
Propylene
Ethylene
Acetylene

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Chemistry
The nucleus of an atom consists of

electrons and neutrons
protons and neutrons
All of these
electrons and protons

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Calamine
Chalcopyrites
Bauxite
Haematite

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Chemistry
Which one of the following group of gases contributes to the 'Green House Effect'?

Carbon dioxide and Methane
Ammonia and Ozone
Carbon tetraflouride and Nitrous oxide
Carbon monoxide and Sulphur dioxide

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Chemistry
Which of the following is a man-made source of air pollution ?

All of these
Bacterial action in soil and swamp areas
Automobile exhaust
Forest fire

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MORE MCQ ON Chemistry

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