 
       
      
    A chloride salt solution acidified with dil. gives a curdy white precipitate, [A], on addition of 
 on treatment with 
 gives a clear solution, 
. 
 and 
 are respectively
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 5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C.  If Na2SO4 is 81.5% ionised, the value of x (K

A capacitor is made of two square plates each of side 'a' making a very small angle 
              
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d
 
                 
                
                  
