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Chemistry

Chemistry
Which one is not a pure form of carbon

Gold
Graphite
Diamond
Coal

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Chemistry
Besides CO2, the other green house gas is

O2
Ar Ar
N2 N2
CH4

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Chemistry
In silvery paints, the main constituent present is

Aluminium powder
White lead
Silver powder
Lead powder

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Chemistry
One of the constituents of tear gas is

Ethanol
Ether
Ethane
Chloropicrin

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

CO
All of these
CO2
O3

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Chemistry
Which one of the following minerals is found in pure form?

Manganese
Copper
Bauxite
Iron

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