Dilute hydrochloric acid reacts with sodium sulphate. (Identify the gas evolved and give chemical test in each of the following cases:)
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Explanation:
(i) When dilute hydrochloric acid reacts with sodium sulphite, sulphur dioxide gas is evolved. ... It confirms that the evolved gas is sulphur dioxide.
(ii) When dilute hydrochloric acid reacts with iron (II) When dilute hydrochloric acid reacts with iron .
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