Question

pls ! answer pls pls​

Answer 1

Answer:

(i) A is base and B is acid

(ii) because on the addition of base phenolphthalein changes pink

(iii) diffusion

(Iv) incense stick

Answer 2

(i) A is basic and B is acidic.

(ii) Because B is acidic in nature.

(iii) Diffusion

(iv) Diffusion of incense sticks.

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