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| List-$I$ (કોલોઇડ બનાવવાની પદ્ધતિ) | List-$II$ (રાસાયણિક પ્રક્રિયા) |
| $(a)$ જળવિભાજન | $(i) \; 2 AuCl_{3} + 3 HCHO + 3 H_{2}O \rightarrow 2 Au(sol) + 3 HCOOH + 6 HCl$ |
| $(b)$ રિડક્શન | $(ii) \; As_{2}O_{3} + 3 H_{2}S \rightarrow As_{2}S_{3}(sol) + 3 H_{2}O$ |
| $(c)$ ઓક્સિડેશન | $(iii) \; SO_{2} + 2 H_{2}S \rightarrow 3 S(sol) + 2 H_{2}O$ |
| $(d)$ દ્વિવિઘટન | $(iv) \; FeCl_{3} + 3 H_{2}O \rightarrow Fe(OH)_{3}(sol) + 3 HCl$ |
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