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CHEMISTRY

Chemistry
The main source of carbon monoxide is

Transportation
Industrial process
Solid waste disposal
Fuel combustion

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

All of these
O3
CO2
CO

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Chemistry
Water gas is the combination of

CO2 and CO
CO and H2O
CO2and H2
CO and H2

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Chemistry
The gas that causes suffocation and death when coal or coke is burnt in a closed room is

Carbon monoxide
Carbon di-oxide
Ethane
Methane

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Chemistry
Which one is not a pure form of carbon

Diamond
Gold
Graphite
Coal

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