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Sources of Air Pollution

When the burn...

Question

When the burning of coal is done in a limited environment of oxygen, the exhaust produces poisonous gas Carbon dioxide.

A

True

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B

False

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Solution

The correct option is B
False

Limited presence of air limits the presence of oxygen, thus the end product formed is carbon monoxide.

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Incomplete burning of fuel produces __ (Carbon dioxide/Carbon monoxide) which is a Poisonous gas.

Q. Which poisonous gas is formed as a result of incomplete combustion?
(a) coal gas
(b) carbon monoxide
(c) carbon dioxide
(d) nitrogen oxide

Q. The reaction of burning of carbon in oxygen is represented by the equation:

C_{(s)} + O_{2 (g)} \to {C O}_{2 (g)} + H e a t + L i g h t

When 9.0 g of solid carbon is burnt in 16.0 g of oxygen gas, 22.0 g of carbon dioxide is produced. The mass of carbon dioxide gas formed on burning of 3.0 g of carbon in 32.0 g of oxygen would be (Note : atomic mass of

C = 12.0 u, O = 16.0 u

(C_{2} H_{6})

reacts with oxygen gas to produce carbon dioxide and water. Initially,
5 mol of ethane is burned with 16 mol of oxygen, find the amount of carbon dioxide produced when the yield of the reaction is 60 %.

2 C_{2} H_{6} + 7 O_{2} \to 4 C O_{2} + 6 H_{2} O

Q. When combustion of coal takes place in insufficient air (oxygen) which gas is formed . Instead of carbon dioxide

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