Question

What is difference between Universal indicator and Olfactory indicator?

Answer 1

Answer:

• A mixture of several indicators which shows different colours at different concentrations of hydrogen ions in a solution is an universal indicator.

• The substance which indicates the presence of an acid or base by changing its odour in a solution is an olfactory indicator. Example-onion juice, clove oil.

Explanation:

Answer 2

Explanation:

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