(49) Write general properties of Acid and Base. Define indicatorand ex

1.	(49) Write general properties of Acid and Base. Define indicatorand explain how this indicators use for test of acid and basealong with name of indicators.
Answer» Property Acid Base Taste Sour (vinegar) Bitter (BAKING soda) Smell Frequently burns nose USUALLY no smell (except NH3!) Texture STICKY Slippery Reactivity Frequently react with metals to form H2 React with many oils and fats. An acid-base indicator is either a weak acid or weak base that exhibits a color change as the concentration of HYDROGEN (H+) or hydroxide (OH-) ions changes in an aqueous solution. Acid-base indicators are most often used in a titration to IDENTIFY the endpoint of an acid-base reaction. They are also used to gauge pH values and for interesting color-change science demonstrations.

(49) Write general properties of Acid and Base. Define indicatorand explain how this indicators use for test of acid and basealong with name of indicators.

Answer»

Property Acid Base

Taste Sour (vinegar) Bitter (BAKING soda)

Smell Frequently burns nose USUALLY no smell (except NH3!)

Texture STICKY Slippery

Reactivity Frequently react with metals to form H2 React with many oils and fats.

An acid-base indicator is either a weak acid or weak base that exhibits a color change as the concentration of HYDROGEN (H+) or hydroxide (OH-) ions changes in an aqueous solution. Acid-base indicators are most often used in a titration to IDENTIFY the endpoint of an acid-base reaction. They are also used to gauge pH values and for interesting color-change science demonstrations.

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