Which reaction gives colloidal solution – InterviewSolution

1.	Which reaction gives colloidal solution
Answer» `Cu+HgCl_(2)rarr CuCl_(2)+Hg` `2HNO_(3)+3H_(2)S rarr 3S +4H_(2)O+2NO` `2Mg+CO_(2)rarr2MgO+C` `Cu+CuCl_(2)rarrCu_(2)Cl_(2)` ANSWER :B

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