1.

Which of the following chemical equation represents the formation of colloidal solution?

Answer»

`Cu+CuCl_(2) RARR Cu_(2)Cl_(2)`
`2Mg+CO_(2) rarr 2MgO+C`
`2HNO_(3)+3H_(2)S rarr 3S+4H_(2)O+2NO`
Both 'B' and 'C'

Solution :In CHOICE C, sulphur appears in COLLOIDAL form (see Comprehensive REVIEW.)


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