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Chemistry

Chemistry
Which of the following contains high content of lead?

Low octane fuel
High octane fuel
Cooking gas
Coal

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Chemistry
The chief constituent of vinegar is

Oxalic acid
Acetic acid
Salycylic acid
Formic acid

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Chemistry
The hottest part of the gas flame is known as

luminous zone
blue zone
non-luminous zone
dark zone

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Chemistry
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be

2 : 16 : 1
1 : 16 : 2
2 : 16 : 2
1 : 1 : 1

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Chemistry
The gas used for filling weather balloons is

Helium
Air
Nitrogen
Hydrogen

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Chemistry
The process of improving the quality of rubber by heating it with sulphur is called.

Galvanization
Vulcanization
Sulphonation
Acceleration

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MORE MCQ ON Chemistry

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