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Chemistry

Chemistry
Hardest allotrope of carbon is

Diamond
Lamp black
Coke
Graphite

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Chemistry
In which of the following states maximum iron ore is found ?

FeCO3
FeS2
Fe3O4
Fe2O3

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Chemistry
Non-stick kitchenwares are coated with

Graphite
Silicon
Teflon
PVC

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Chemistry
Which one of the following gases has the highest calorific value?

Water gas
Coal gas
Natural gas
Indane gas

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Chemistry
Ozone consists of

Oxygen and Carbon
Oxygen only
Hydrogen and Carbon
Oxygen and Nitrogen

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Chemistry
Which one of the following does not form oxyacid ?

Sulphur
Fluorine
Chlorine
Nitrogen

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MORE MCQ ON Chemistry

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