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Chemistry 5070 · Cambridge (CAIE) O Level

Catalysts

6 past-paper questions on Catalysts · examined 2022–2025.

20251 question

5070/12 · M/J · Q19 [1]Sign up to mark my answer →

Which row gives the catalyst for each of the two processes? Contact process Haber process

20242 questions

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

State which substance is a catalyst in the Haber process.

5070/22 · M/J · Q1(a) [1]Sign up to mark my answer →

State which substance is a catalyst in the Contact process.

20231 question

5070/12 · M/J · Q18 [1]Sign up to mark my answer →

The table refers to two important industrial gaseous reactions. Which catalysts are correctly stated?

20222 questions

5070/21 · M/J · Q6(b)(iv) [1]Sign up to mark my answer →

Explain why a catalyst increases the rate of the reaction between carbon monoxide and nitrogen monoxide.

5070/21 · M/J · Q6(b)(v) [2]Sign up to mark my answer →

Explain, using ideas about particles, why the catalyst in a catalytic converter needs to have a large surface area.

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