Question

What is meaning of Acid.​

Answer 1

Answer:

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).

Answer 2

Answer:

Here are some definitions of acid

1. containing acid or having the properties of an acid; having a pH of less than 7.

2. sharp-tasting or sour.

"acid fruit"