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Chemistry

Chemistry
Chemical name of vinegar is

Formaldehyde
Acetone
Ethanol
Acetic acid

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Chemistry
Which one of the following is not a ‘green house gas’ ?

Methane
Nitrogen
Chlorofluorocarbons
Carbon dioxide

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Chemistry
Bauxite is used as raw material by which industry ?

Steel
Aluminium
Gold
Iron

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Chemistry
For extinguishing fire, we use

Marsh gas
Carbon Monoxide
Carbon Dioxide
Hydrogen

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Chemistry
Acid rain is caused due to emission of which of the following in to the atmosphere ?

Carbon dioxide and carbon monoxide
Ozone and carbon dioxide
Carbon monoxide and nitrogen
Oxides of nitrogen and sulphur

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Chemistry
The mass number of an atom is equal to

the number of protons and electrons
the number of neutrons
the number of protons
the number of nucleons

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MORE MCQ ON Chemistry

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