Question

Difference between acid and base answer level 7 class

Answer 1

Answer:

acids:

acids are sour in taste

acids change blue litmus red

ex: curd, lemon etc

bases:

bases are bitter in taste

bases turn red litmus blue

ex: saop

Answer 2

*Acids*

- An acid possesses a pH value greater than 7.

- An acid remains colorless in a Phenolphthalein indicator.

- Turns blue colored litmus red.

- Chemical formula begins with H (example: HCl (Hydrochloric acid)).

- Used as a household cleaning agent.

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*Bases*

- A base possesses a pH value lesser than 7.

- A base changes the color to pink in a Phenolphthalein indicator.

- Turns red colored litmus blue.

- Chemical formula ends with OH (example: NaOH (Sodium Hydroxide)).

- Used as a soap and an antacid.

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Thank me later.