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Chemistry

Chemistry
The molecular formula of phosphorous is

P4
P1
P2
P3

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Chemistry
Emulsifier is an agent which

Stabilizes an emulsion
Homogenizes the emulsion
Aids the flocculation of emulsion
Accelerates the dispersion

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Chemistry
Which of the following is not a gaseous air pollutant?

Oxides of nitrogen
Oxides of sulphur
Hydrocarbon
Smoke

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Chemistry
Trinitrotoluene is

Used as an abrasive
Used to fuse two metals
Used as an explosive
Used to melt metals

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Chemistry
Benzene cannot undergo :

Addition
Elimination
Substitution
Oxidation

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Chemistry
The ‘Green House effect’ is produced due to the presence of excess amount of

Sulphur dioxide
Methane
Carbon monoxide
Nitrogen dioxide

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