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Which of the following substances will precipitate the negatively charged emulsions?

(i) \text {KCl}

(ii) glucose

(iii) urea

(iv) \text {NaCl}

Answers (1)

The answer is the option (i, iv) Negatively charged emulsions will precipitate because of the dissociation products \text {K}^{+} and \text {Na}^{+} from \text {KCl} and \text {NaCl}.

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