A) A Salt is formed by the reaction between acid and base. Identity the Acid and Base from which the following salts are formed
i.Na2SO4
ii.NH4Cl
B) Which of the above salts has a pH less than 7 ?Give reasons.
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A (i) acid is H2SO4
base is NaOH
(ii) acid is HCl
base is NH3
B NH4CL because NH3 is weak base
base is NaOH
(ii) acid is HCl
base is NH3
B NH4CL because NH3 is weak base
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