Question

Q- which of the following have ph less than 7:
a) sodium sulphate
b) ammonium chloride
c) potassium nitrate
d) sodium chloride
plz answer correct with some explaination
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Answer 1

Answer:

ammonium chloride has pH less than 7 as it is made up of weak base I.e ammonium hydroxide and strong acid I.e Hydrochloric acid .

Answer 2

sorry my answer is wrong....