Verified Answer :

Kalahira

The substance that contains hydrogen that may be replaced by a metal is called an acid. The answer therefore to this item is letter A. When the compound is dissolved in water, it forms H+ ion and the anion that is part of the compound. It may be classified as strong or weak.

W0lf93

The correct answer is option A. A substance that contains hydrogen that may be replaced by a metal is an acid. An acid is of the form RCOOH. For example, if it is made to react with a metal, then the by-product of the reaction will be a salt. RCOOH + Na (Sodium) = RCOONa (salt).

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