Question

what are acid?

answer is short
​

Answer 1

Acid, any substance that in water solution tastes sour, changes the colour of certain indicators (e.g., reddens blue litmus paper), reacts with some metals (e.g., iron) to liberate hydrogen, reacts with bases to form salts, and promotes certain chemical reactions (acid catalysis).

$\huge\underline{\overline{\mid{\bold{\red{ℳ ø ø И Ᏸ ø У ❤}}\mid}}}$

Answer 2

An acid is a chemical substance whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red, and the ability to react with bases and certain metals (like calcium) to form salts
Plzzzz thanks me