Question

What is mean by acids ​

Answer 1

Answer:

An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. ... The word acid comes from the Latin words acidus or acere, which mean "sour," since one of the characteristics of acids in water is a sour taste (e.g., vinegar or lemon juice).

Explanation:

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Answer 2

Answer:

Explanation:

according to

Lewis concept : acids are electron deficient otherwise electron acceptor.

Arrhenius concept: acids are those substance which dissolve in water to give H+ion

                                 

Bronsted-Lowry concept: acids are those which can donate proton , acids are proton donors(H+)