1.

A is an aqueous solution of Acid and B is an aqueous solution of base. These are diluted separately. Then

Answer»

pH of A increases while that of B decreases till neutral
pH of B deceases while that of A increasestill neutral
pH of A and B decreases
pH of A and B increases

SOLUTION :Dilution (addition of WATER) decreases `H^+` ions and increases the pH of solution A WHITE dilution of B decreases `OH^-` ION and decreases pH of solution B.


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