10. Which of the following nts related to the acid sal: NaHA and polyprotic acid titration is (are) correct?(AB) NaHlA can act as a proton donor and also as the conjugate base of the parent acid I H2A.(AC) Solutions of acid salis are acidic.(AD)The pH of a NaHA solu lution can be cal(AE) A solution having the samee calculated by only treating NatlA as an acid.lution obtained by dissolving NaHtA in pure water cannat be obtainedduring the process wi "d with NaOH (BC) It is possible to titrate all three protons of phosphoric acid in aqueous solution.(BD)A titration by NaOH of a mixture of H3PO4, and NallbH2PO4containing phensiphthalein to the the second end point gives thenumher of millimoles of NaH2PO4.