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Chemistry 5070 · Cambridge (CAIE) O Level
Soil Chemistry
2 past-paper questions on Soil Chemistry · examined 2022–2023.
20231 question
5070/12 · M/J · Q23 [1]Sign up to mark my answer →
The addition of calcium hydroxide to soil reduces its acidity but also reduces the efficiency of fertilisers. Which two equations explain this?
20221 question
5070/21 · M/J · Q9(d)(i) [1]Sign up to mark my answer →
State the purpose of adding calcium hydroxide to soil.
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