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Chemistry

Chemistry
Which one is a naturally occuring noble gas

Boron
Sodium
Potassium
Argon

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Chemistry
Which one of the following elements is least likely to be found in commercial fertilisers?

Potassium
Silicon
Nitrogen
Phosphorous

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

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

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Pt
Pb
Ni
Cu

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Chemistry
Freon' used as refrigerants is chemically

Fluorinated hydrocarbon
Fluorinated aromatic compound
Chlorofluoro hydrocarbon
Chlorinated hydrocarbon

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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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MORE MCQ ON Chemistry

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