Terylene polymer is obtained by condensation of :
 
Ethane-1,2-diol and Benzene-1,3 dicarboxylic acid
Propane-1, 2-diol and Benzene-1, 4 dicarboxylic acid
Ethane-1,2-diol and Benzene-1, 4 dicarboxylic acid
 
Ethane-1,2-diol and Benzene-1, 2 dicarboxylic acid
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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
                
                
                  