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Chemistry

Chemistry
Surface water is a better source of drinking water because it is poor in

Algae
Bacteria
Dust
Arsenic

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Chemistry
The chief source of naphthalene is

Coal-tar
Camphor
Diesel
Charcoal

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Chemistry
Among the following, carbonate ore of Zinc is

Sphalerite
Zincblende
Calamine
Zincite

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Chemistry
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

O3
CO2
All of these
CO

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Chemistry
Which of the following substance is highly plastic ?

Mica
Quartz
Granite
Clay

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Chemistry
The iron ore magnetite consists of

3Fe2O3 .. 3H2O
Fe2O3
Fe3OH4
FeCO3

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MORE MCQ ON Chemistry

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