Question

what is an acid in simple words..​

Answer 1

Answer:

An acid is any substance that in water solution tastes sour, changes blue litmus paper to red, reacts with some metals to liberate hydrogen, reacts with bases to form salts, and promotes chemical reactions (acid catalysis).

Explanation:

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Answer 2

A chemical which readily gives $\sf H^{+}$ ions in water, is an acid.

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