The most commonly used reducing agent in the process of reduction of oxides and sulphide of metals is

Hydrogen sulphide

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Sulphur dioxide

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Carbon dioxide

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Carbon monoxide

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Solution

The correct option is D
Carbon monoxide

Carbon monoxide is used in the reduction of oxides and sulphide of metals.

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Similar questions

When the gases sulphur dioxide and hydrogen sulphide mix in the presence of water the reaction is :

SO₂+2H₂S=2H₂O+3S

Here hydrogen sulphide is acting as :

A. Oxidizing agent

B. Reducing agent

The chemical which can be used to separate a mixture of carbon powder and sulphur powder successfully is :

(a) carbon dioxide (b) hydrochloric acid (c) hydrogen sulphide (d) carbon disulphide

Write balanced equations to satisfy each statement.

(a) Acid + Active metal $\to$ Salt + Hydrogen

(b) Acid + Base $\to$ Salt + Water

or bicarbonate

(d) Acid + Sulphite or bisulphite $\to$ Salt + Water + Sulphur dioxide

(e) Acid + Sulphide $\to$ Salt + Hydrogen Sulphide

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