Q5 a) A salt Is produced by the reaction between an acld and a base. Identify the
acld and the base from which the following salts have been formed. (2)
1)Na2SO4 2)NHACI
3) KNO, 4)NaCI
b) Which of the following salts have pH less than 7?Why. (1)
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Explanation:
HNO3+NaOH→NaNO3+H2O
Acid used : Nitric Acid -HNO3
Base used: Sodium Hydroxide - NaOH
NH4Cl is formed from the reaction of NH3, a weak base, and HCl, a strong acid.
NH3+HCl→NH4Cl
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