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WB JEE 2022
MCQ (More than One Correct Answer)
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Which of the statements are incorrect?

A
pH of a solution of salt of strong acid and weak base is less than 7.
B
pH of a solution of a weak acid and weak base is basic if Kb < Ka.
C
pH of an aqueous solution of 10$$-$$8 (M) HCl is 8.
D
Conjugate acid of NH$$_2^ - $$ is NH3.
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