C8.4· 13 questions · 13 marks · 16 min · 2018–2025· Multiple choice
Every Cambridge IGCSE Science - Combined Paper 2 question on transition elements, laid out as 3 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.




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3 / 3Answers below. Sit the paper first if you are practising.
Pastlit
Science - Combined 0653 · Transition elements — Paper 2
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | A | 1 | 0653/21 Oct/Nov 2018 |
| 2 | A | 1 | 0653/22 Oct/Nov 2018 |
| 3 | A | 1 | 0653/23 Oct/Nov 2018 |
| 4 | A | 1 | 0653/22 Feb/March 2019 |
| 5 | B | 1 | 0653/21 Oct/Nov 2020 |
| 6 | C | 1 | 0653/22 Oct/Nov 2020 |
| 7 | C | 1 | 0653/23 Oct/Nov 2020 |
| 8 | D | 1 | 0653/21 Oct/Nov 2021 |
| 9 | B | 1 | 0653/22 Oct/Nov 2021 |
| 10 | D | 1 | 0653/23 Oct/Nov 2021 |
| 11 | B | 1 | 0653/21 Oct/Nov 2022 |
| 12 | D | 1 | 0653/22 Oct/Nov 2022 |
| 13 | D | 1 | 0653/22 Oct/Nov 2025 |
23 The positions of four elements are shown in the outline of the Periodic Table. Which element has a high melting point and forms coloured compounds? A B C D
1 marks
Answer: A
23 The positions of four elements are shown in the outline of the Periodic Table. Which element has a high melting point and forms coloured compounds? A B C D
1 marks
Answer: A
23 The positions of four elements are shown in the outline of the Periodic Table. Which element has a high melting point and forms coloured compounds? A B C D
1 marks
Answer: A
22 Hydrogen reacts very slowly with nitrogen to form ammonia. Metal X is a catalyst for this reaction. What is another property of metal X? A It forms coloured compounds. B It forms covalent compounds. C It has a low density. D It has a low melting point.
1 marks
Answer: A
24 Ammonia, NH3, can be made by combining the gases nitrogen, N2, and hydrogen, H2. This reaction is slow. When element Y is added, the rate of reaction increases. What is Y? A Al B Fe C Rb D I2
1 marks
Answer: B
23 Substance X is a coloured solid. Substance X acts as a catalyst for the reaction between zinc and dilute sulfuric acid. Molten X can be electrolysed. What is X? A a Group I compound B a Group I metal C a transition metal compound D a transition metal
1 marks
Answer: C
25 Some physical properties of four elements are shown. Which element can act as a catalyst? melting point conductivity d ens ty i / C as a solid g / cm 3 A 98 good 0.97 B 113 poor 2.07 C 1455 good 8.9 D 1683 poor 2.32
1 marks
Answer: C
22 Which part of the Periodic Table contains elements that are used as catalysts? A Group I B Group VII C noble gases D transition metals
1 marks
Answer: D
22 Which statement about transition elements is not correct? A They can act as catalysts. B They can be metals or non-metals. C They have high densities. D They have high melting points.
1 marks
Answer: B
22 P, Q, R and S are four metals. P is soft. Q reacts violently with water. R has a high melting point. S forms blue compounds. Which metals are transition elements? A P and Q B P and R C Q and S D R and S
1 marks
Answer: D
22 Which properties are shown by transition elements? 1 They form coloured compounds. 2 They have low melting points. 3 They have low densities. 4 They can act as catalysts. A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
1 marks
Answer: B
22 Element X has a high density and conducts electricity when solid and when molten. Where in the Periodic Table is element X placed? A Group 0 B Group I C halogens D transition elements
1 marks
Answer: D
24 What is not a property of transition elements? A form coloured compounds B good electrical conductivity C high melting point D low density
1 marks
Answer: D