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Chemistry

Chemistry
Aspirin is common name of

Salicylate
Acetyl Salicylic Acid
Salicylic Acid
Methyl Salicylate

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Chemistry
Which one of the following is not a cause for present global warming and climate change ?

Carbondioxide emission
Deforstation
Methane emission
CFC emission

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

Precipitate
Emulsion
Gel
Sol

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Chemistry
The main source of carbon monoxide is

Fuel combustion
Transportation
Solid waste disposal
Industrial process

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Chemistry
The ore of Aluminium is

Hematite
Fluorspar
Chalco pyrites
Bauxite

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Chemistry
Diamond is lustrous because

Its refractive index is high
It is hard
It is colourless
It is pure

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