Which catalyst helps in reducing air pollution?

Platinum

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Carbon Monoxide

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Vanadium

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Chromium

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Solution

The correct option is A
Platinum

Platinum or palladium, when used as a catalyst, decomposes Nitrogen oxide into nitrogen and oxygen respectively as well as carbon monoxide reacts converts into carbon dioxide.

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Explain the reducing action of carbon monoxide.

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Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?

(a) carbon dioxide

(b) nitrogen monoxide

(d) sulphur dioxide

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