Question

h) Select the most probable substance from A, B, C, D and E which
need to be added to distinguish:
(i) (NH), SO, and NH CI
(ii) K SO, and (NH), SO.
(iii) Liquor ammonia and liquid ammonia
(iv)NH, and So,gas
(v) CuO and CuCl2


(A) Conc. HCl
(B) NH, gas
(C) BaCl
(D) Phenolphthalein
(E) NaOH
​

Answer 1

Answer:

(d) Phenolphthalein

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