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Chemistry

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

Emulsion
Sol
Precipitate
Gel

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Chemistry
Which one of the following is not present in cement ?

Clay
Alum
Alumina
Gypsum

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Chemistry
The metal that is usually extracted from sea water is

K
Mg
Ca
Na

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Chemistry
Which of the following type of coal has the lowest proportion of volatile matter ?

Lignite
Peat
Anthracite
Bituminous

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Chemistry
It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of

CO2
CO
SO2
Unburnt petrol

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Chemistry
One of the constituents of tear gas is

Chloropicrin
Ethanol
Ether
Ethane

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MORE MCQ ON Chemistry

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