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Chemistry 5070 · Cambridge (CAIE) O Level
Water and Solutions
5 past-paper questions on Water and Solutions · examined 2025–2025.
20255 questions
5070/22 · O/N · Q9(a) [1]Sign up to mark my answer →
State the meaning of the term hydrated.
5070/22 · O/N · Q10(a)(i) [1]Sign up to mark my answer →
Name one substance in river water that may be harmful and explain why.
5070/22 · O/N · Q10(a)(ii) [1]Sign up to mark my answer →
Name one substance in river water that is beneficial and explain why.
5070/22 · O/N · Q10(b) [3]Sign up to mark my answer →
Describe the three processes involved in the treatment of water for the domestic water supply. State the reason why each process is used.
5070/22 · O/N · Q10(d) [1]Sign up to mark my answer →
Explain how the purity of water is tested by measuring its boiling point.
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