Cambridge Secondary (7-9). Stage 8. MCE Science. Student Book - Unit 5: Mixtures and Solubility - Question 2

Some substances, such as chemicals, dissolve easily in water. Many household cleaning products have ingredients that could be harmful to plants and animals if they end up in wastewater. What could we do to prevent this from happening?

Caution: Remember to be safe in the kitchen and never mix ingredients unless you are certain that it is safe to do so.