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Chemistry

Chemistry
Which one of the following is an example of a gel ?

Shaving cream
Face cream
Milk
Cheese

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Chemistry
The name of unreactive gas is

Oxygen
Nitrogen
Hydrogen
Carbon dioxide

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Chemistry
The gas used for filling weather balloons is

Hydrogen
Helium
Nitrogen
Air

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Chemistry
Pollutant from motor car exhaust that causes mental disease is

NO2
Hg
Lead
SO2

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Chemistry
What is the mass percentage of carbon in carbon dioxide (CO2)

0.158
0.323
0.273
0.201

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Sublimation
Sedimentation
Distillation
Filtration

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MORE MCQ ON Chemistry

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