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Chemistry

Chemistry
Quartz is made of

Calcium Sulphate
Calcium Silicate
Sodium Silicate
Sodium Sulphate

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Chemistry
The function of sedimentation tank in sewage treatment is to:

Aerate the sewage
Remove water content
Disinfect the sewage
Remove suspended solids

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Chemistry
Select the one which is not a mixture :

Gasoline
Air
LPG
Distilled water

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Chemistry
In electro-refining, the pure metal is deposited on

Cathode
Anode
Electrolyte
Vessel

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Chemistry
Which of the following metals has least melting point ?

Copper
Mercury
Silver
Gold

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Chemistry
Sulphur dioxide level in the atmosphere can be reduced by using

Catalytic converters in industry
More efficient car engines
Low - sulphur fuels
Static electricity to attract it in factory chimneys

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MORE MCQ ON Chemistry

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