Answers

2014-06-19T18:51:13+05:30
The difference between dil. HCL and conc. HCL is  molecular composition only 
there is a slight change if u use dil. HCL and the reaction will be slow 

0
2014-06-19T23:55:16+05:30
When we add conc.HCl ,the reaction becomes more vigorous....on the other hand dil.HCl makes the reaction slow as well as  less vigorous..........hope i helped u..:)
0