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Chemistry 5070 · Cambridge (CAIE) O Level

Reactions of Acids

4 past-paper questions on Reactions of Acids · examined 2022–2022.

20224 questions

5070/21 · M/J · Q1(a) [1]Sign up to mark my answer →

State which compound reacts with dilute nitric acid to form a gas that turns limewater milky.

5070/21 · M/J · Q1(b) [1]Sign up to mark my answer →

State which compound reacts with warm aqueous sodium hydroxide to form a gas that turns damp red litmus paper blue.

5070/21 · M/J · Q1(c) [1]Sign up to mark my answer →

State which compound reacts with dilute hydrochloric acid to give a gas that decolourises acidified potassium manganate(VII).

5070/21 · M/J · Q9(d)(ii) [2]Sign up to mark my answer →

Construct the equation for the reaction between ammonium nitrate and calcium hydroxide. Using your equation, explain why the ammonium nitrate fertiliser is less effective after calcium hydroxide is added.

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