Question

What is an indicator? State any three (3) differences between acids and
bases​

Answer 1

ACID–BASE INDICATORS

are generally weak protolytes that change color in solution according to the pH. The acid–base equilibrium of a weak acid type of indicator (HI) in water can be represented as.

DIFFERENCE BETWEEN ACID AND BASES

An acid is a substance that produces hydrogen ion (H+) as the only positive ion when mixed with water. A base is a substance that produces hydroxyl ion (OH–) as the only negative ion when mixed with water. An acid is a species that can release/donate a proton to another species

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Answer 2

Answer:

Indicator is a paper ( Litmus paper)which indicates whether the solution is acidic or basic.

Explanation:

A base is a species that can accept a proton. An acid is a species that can accept an electron pair. A base is a species that can donate an electron pair. The strength of an acid is based on the concentration of hydrogen ions.

Any compound with a pH value between zero to seven is considered acidic, whereas a pH value between seven to fourteen is a base. An acid is called a proton donor, while a base is called a proton acceptor.

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