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Chemistry

Chemistry
Bauxite is an alloy of which of the following metals ?

Silver
Tin
Iron
Aluminium

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Chemistry
At room temperature, the metal that remains liquid is:

Platinum
Mercury
Zinc
Lead

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

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

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Chemistry
CNG used in automobiles to check pollution, mainly consists of

N2
CH4
CO2
H2

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

Orissa coast
Gujarat coast
Travancore coast
West Bengal coast

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Chemistry
The natural resource, known as black gold is

Coal
Platinum
Tin
Lead

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