At the end of this activity, students should be able to: û state the purpose of indicators û determine the pH of a solution using an indicator û determine the acidity or alkalinity of a solution using the pH scale û indicate the colours corresponding to alkaline, neutral and acidic solutions on the pH scale û identify strong and weak acids and strong and weak alkalis on the basis of the pH value of their solutions û discuss the applications of pH measurements.

Originally released by Learnetic, 2016.