Get Answers to all your Questions

header-bg qa

You have four test tubes A, B, C and D filled with aqueous solution of same concentration but of different salts. In A solution of NaCl, B solution of CaCl_{2}, C solution of MgCl_2 and D solution of KCl is filled. If you add equal amounts of a soap solution to each test tube and shake the contents well, in which of the test tubes will scum (insoluble substance) be obtained ?  

(a) A and B                  (b) B and C                  (c) C and D              (d) A and D 

 

 

 

 
 
 
 
 

Answers (0)