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CHEMISTRY

Chemistry
The main source of carbon monoxide is

Fuel combustion
Transportation
Solid waste disposal
Industrial process

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

CO2
O3
CO
All of these

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Chemistry
Water gas is the combination of

CO and H2O
CO and H2
CO2and H2
CO2 and CO

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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
Methane
Carbon di-oxide
Ethane

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Chemistry
Which one is not a pure form of carbon

Coal
Diamond
Gold
Graphite

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