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Chemistry

Chemistry
Plastic is a type of

Polymer
Polyester
None of these
Acrylic

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Chemistry
Which one is the simplest aromatic hydrocarbon

Chloride
Picric acid
Benzene
Aspirin

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Chemistry
A mixture of water and alcohol can be separated by

Decantation
Distillation
Evaporation
Filtration

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Chemistry
A substance which readily forms colloidal solution in contact with water is called

Associated colloid
Hydrophobic colloid
Extrinsic colloid
Hydrophilic colloid

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Chemistry
The purest form of Iron is :

Wrought iron
Steel
Cast iron
Pig iron

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Chemistry
Main pollutants released from iron and steel industry are

NO, SO3 and H2S
CO, CO2 and SO2
CO2, NO2 and SO3
CO2, H2S and NO2

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