Question

2) Indicators are used
in very small amounts
Your answer give reason​

Answer 1

Answer:

The indicator used in a titration is a weak acid with a conjugate base of a different colour, or vice versa. Only a small amount of indicator should be used in a titration because you do not want the indicator to have an effect on the pH of the solution during the titration.

Explanation:

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Answer 2

Phenolphthalein indicator is used because it reduce the error. When more accurate results are needed pH meter or a conductance meter is used. Redox Titration. This titration based on a reduction-oxidation reaction carried out in between an oxidizing agent and reducing agent.

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