Question
Thu February 21, 2013 By:
 
 can you also explain the reason ?
 
 
 
 
 
 
 
 
 

Which of these can be use to measure cleansing action of soap: a) 2% NaCl sol. b)2% MgCl2 c)2% CaCl2 d)2% calcium hydrogen carbonate

Expert Reply
Thu February 21, 2013
2% NaCl solution due to presence of common ion (Na+) precipitation become faster.
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