(a)(i) Explain the term pH (ii) If sodium hydroxide solution were added to a solution...
CHEMISTRY
WAEC 1995
(a)(i) Explain the term pH
(ii) If sodium hydroxide solution were added to a solution of a strong acid, what would happen to the pH of the solution?
(b) Give one example of each of the following:
(i) acidic oxide
(ii) acid salt.
Explanation
(a)(i) pH is a measure of the acidity or alkalinity of a solution.
(ii) The pH of the acids solution would increase
(b)(i) Example of acidic oxide is sulphur (IV) oxide (SO\(_2\))
(ii) Example of acid salt is sodium hydrogen tetraoxosulphate(VI)
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