A) Peptisation
B) Bredigs arc method
C) Double decomposition
D) Reduction of \[\text{CuC}{{\text{l}}_{\text{2}}}\]
Correct Answer: B
Solution :
(i) Metal sols are usually prepared by Bredigs arc metho. (ii) Colloidal metal sulphides are formed by double decomposition.You need to login to perform this action.
You will be redirected in
3 sec