what are indicators what are the effect of indicators on acid salt and bases
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Answers
An indicator is a 'dye' that changes colour when it is put into an acid or a base. An indicator gives different colours in acid and base. A substance which contains an acid is said to be acidic whereas the substance which contains a base is said to be basic.
Some common indicators include red litmus paper, blue litmus paper, phenolphthalein, and methyl orange.
Answer:
Indicator : A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH of the solution can be determined visually. Hence, a pH indicator is a chemical detector for hydronium ions or hydrogen ions in the Arrhenius mode
effect on acids and bases : Acid - Base indicators (also known as pH indicators) are substances which change colour with pH. They are usually weak acids or bases, which when dissolved in water dissociate slightly and form ions. Consider an indicator which is a weak acid, with the formula HIn.