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Chemistry

Chemistry
Which one of the following mineral does not contain oxygen ?

Bauxite
Cryolite
Calcite
Haematite

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Chemistry
Cooking gas is a mixture of

Butane and propane
Methane and ethylene
Carbon monoxide and carbon dioxide
Carbon dioxide and oxygen

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Chemistry
The National Chemical Laboratory is situated in

New Delhi
Pune
Bangalore
Patna

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Chemistry
Which one of the following contributes largely to the ‘green house effect’ ?

Carbon monoxide
Carbon dioxide
Ozone
Water vapour

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Chemistry
Aluminium can be purified by

Oxidation
Electrolysis
Distillation
Ozonolysis

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Chemistry
The fundamental particles present in the nucleus of an atom are

Neutron, positron
Electron, proton
Neutron, electron
Proton, neutron

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MORE MCQ ON Chemistry

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