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Colloid of which one fo the following can be prepared by electrical dispersion as well as reduction method?

(a) Sulphur

(b) Ferric hydroxide

(c) Arsenious sulphide

(d) Gold

Can you answer this question?
 
 

1 Answer

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Answer: Gold
 
Gold colloid can be prepared by Bredig arc method as well as by reduction of $AuCl_3$ with $SnCl_2.$

 

answered Dec 14, 2013 by mosymeow_1
 
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