All chapters
Chemistry 5070 · Cambridge (CAIE) O Level
Water Chemistry
1 past-paper question on Water Chemistry · examined 2020–2020.
20201 question
5070/22 · O/N · Q4(a) [1]Sign up to mark my answer →
Name another substance found naturally in water which is not a mineral salt or a pollutant.
Go Pro to download this chapter as a topical PDF and search by AI.
AI Examiner
Don't just read the solution — get your own answer marked
Write your answer to any Chemistry past-paper question, photograph it, and Learning DEN marks it like a real examiner — marks awarded, where you lost them, and your predicted grade. 3 free gradings to start.