( A ) pH of neutral water does not zero
( B ) pH of dilute and hot $H_2 SO_4$ is more than
concentrate and cold $H_2SO_4$
( C ) Adding 1N soln of $CH_3COOH$ and $NaOH$
pH will be seven
( D ) Mixing solution of $CH_3COOH$ and HCl, pH
will be less than 7
