Exercice 2: Classification of solutions according to their We measured the pH of some common domestic products Products PH toilet unblocker 14 bleach 13 washing up liquid 7 vinegar 3 lime scale cleaner 1 1. What can we use to measure the pH of these solutions? 2. Indicate for each product if it is acid, neutral or alkaline. 3. Classify the above products according to their degree of acidity going from the most acid to the least one.