Science, asked by jyostnalenka70, 25 days ago

What is an alkali ? what is indicator?​

Answers

Answered by sangeetadas59023
3

Answer:

An acid-alkali indicator or pH indicator is a coloring agent, usually a weak acid or base, which changes its color in response to the pH value of an aqueous solution (i.e. in response to a change in the hydrogen ion concentration).

Answered by vighnesh107
1

Answer:

  1. water soluble bases are called alkalis.
  2. An indicator is a dye which changes it's colour when come in contact with an acid or a base
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