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प्रश्न
Which reaction does yield a colloidal solution?
पर्याय
\[\ce{Cu + HgCl2 -> CuCl2 + Hg}\]
\[\ce{2HNO3 + 3H2S -> 3S + 4H2O + 2NO}\]
\[\ce{2Mg + CO2 -> 2MgO + C}\]
\[\ce{Cu + CuCl2 -> CuCl2}\]
MCQ
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उत्तर
\[\ce{2HNO3 + 3H2S -> 3S + 4H2O + 2NO}\]
Explanation:
This reaction yields colloidal sulphur, forming a colloidal solution because sulphur particles are finely dispersed in the medium. Other reactions produce precipitates or compounds but not colloidal solutions.
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