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Chemistry

Chemistry
A colloidal system in which a liquid is dispersed in a liquid is called

Emulsion
Precipitate
Sol
Gel

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Chemistry
A balloon filled with helium rises in air because

Helium is less dense than air
Air exerts an upward force on the balloon
The balloon is weightless
Helium pushes down on the air below the balloon

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Chemistry
Bhopal gas tragedy is associated with leakage of

Sulphur dioxide
Carbon dioxide
Nitrogen dioxide
Methyl isocyanate

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Chemistry
The highest volume of gases in lower atmosphere is comprised of

Oxygen
Nitrogen
Hydrogen
Carbon dioxide

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Chemistry
The percentage of nitrogen present in ammonium sulphate is :

0.18
0.27
0.25
0.305

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Chemistry
Which one of the following is used as a sowing agent in the preparation of soft drinks?

Boric acid
Phosphoric acid
Phosphorus acid
Salicylic acid

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MORE MCQ ON Chemistry

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