The poisonous gas which reduces the oxygen-carrying capacity of blood to a large extent is :
(a) SO₂
(b) NO
(c) CO
(d) CO₂

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Solution

(c) CO
Carbon monoxide, i.e. CO, binds with red blood cells and reduces its oxygen carrying capacity.

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The poisonous gas which reduces the oxygen-carrying capacity of blood to a large extent is : (a) SO2 (b) NO (c) CO (d) CO2

(c) CO Carbon monoxide, i.e. CO, binds with red blood cells and reduces its oxygen carrying capacity.

The poisonous gas which reduces the oxygen-carrying capacity of blood to a large extent is :
(a) SO₂
(b) NO
(c) CO
(d) CO₂

(c) CO
Carbon monoxide, i.e. CO, binds with red blood cells and reduces its oxygen carrying capacity.