Q14 · 2025 · Paper 1Unclassified1 mark
QUESTION 14
Increasing the pH of an aqueous solution of hydrochloric acid (HCl) from 2 to 4
(A) reduces the strength of the acid.
(B) increases the acidity of the solution.
(C) increases the concentration of H+ ions by a factor of 2.
(D) reduces the concentration of H+ ions by a factor of 100.
WORKED SOLUTION
1 markAnswer D
OFFICIAL ANSWERD
QCAA awards 1 mark for selecting option D.
Correct option from the official QCAA answer key.