Question

what is mean by acid. ,,,,,,,,zzz,, see why​

Answer 1

Answer:

An acid is a molecule or ion capable of donating a proton (hydrogen ion H+) (a Brønsted–Lowry acid), or, alternatively, capable of forming a covalent bond with an electron pair (a Lewis acid). The first category of acids are the proton donors, or Brønsted–Lowry acids.

Explanation:

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Answer 2

Answer:

which substance turns into red to blu litmus