Question

Differentiate between acid and base​

Answer 1

Answer:

(ii) Acids are sour to taste.

Bases are bitter to taste.

(ii) Acids turn blue litmus red.

Bases do not change the colour of blue litmus.

Answer 2

Acid

1. Sour in taste.
2. Turn blue litmus red.
3. Acids change methyl orange to red.
4. Phenolphthalein remains colourless.
5. Acids do not give soapy touch.
6. Give hydrogen ions in solution.

Base

1. Bitter in taste.
2. Turn red litmus blue.
3. Bases change methyl orange to yellow.
4. Phenolphthalein gives pink colour.
5. Soapy to touch.
6. Give hydroxyl ions in solution.

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