Give one example each of a salt which gives an aqueous solution having :(a) pH less than 7
(b) pH equal to 7
(c) pH more than 7

(a) An example of a salt that gives an aqueous solution having pH less than 7 is Ammonium chloride, NH₄Cl.

(b) An example of a salt that gives an aqueous solution having pH equal to 7 is Sodium chloride, NaCl.

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