Question

What are acid and base ?

Answer 1

Answer:

An acid is a substance that donates protons (in the Brønsted-Lowry definition) or accepts a pair of valence electrons to form a bond (in the Lewis definition). A base is a substance that can accept protons or donate a pair of valence electrons to form a bond. Bases can be thought of as the chemical opposite of acids.

Explanation:

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Answer 2

Answer:

An acid–base reaction is a chemical reaction that occurs between an acid and a base. It can be used to determine pH.