\( \mathrm{As}_{2} \mathrm{O}_{3} \mathrm{sol} \) is (A) positive colloid (B) negative colloid (...

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\( \mathrm{As}_{2} \mathrm{O}_{3} \mathrm{sol} \) is
(A) positive colloid
(B) negative colloid
(C) neutral colloid
(D) none of the above
\( \mathrm{P} \)
W
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