MediumChemistryHigh School (9–10)GeneralAcids, Bases and Salts › Salts and Their UsesConceptualBoard Exam

Is the solution of each salt acidic, neutral or basic? …

Try it on paper first. A hint, the key idea and the worked solution are here when you need them.

Is the solution of each salt acidic, neutral or basic?

Potassium sulphate, from sulphuric acid and potassium hydroxide.
Ammonium nitrate, from nitric acid and the weak base ammonium hydroxide.
Potassium carbonate, from the weak carbonic acid and potassium hydroxide.
Zinc sulphate, from sulphuric acid and the weak base zinc hydroxide.

Need a reminder? The key ideaShow

A salt has the positive ion of a base and the negative ion of an acid. Strong acid + strong base gives a neutral salt; strong acid + weak base, an acidic one; weak acid + strong base, a basic one. Electrolysis of brine gives NaOH, $\text{Cl}_2$ and $\text{H}_2$ .

The worked solution

Have you tried it?

Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.

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