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2.3 Properties of materials

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Question 15
F

The bar chart shows the melting points and boiling points of four substances, J, K, L and M.

image

All four substances are kept at the same temperature.

At this temperature, two of the substances are gases, one is a liquid and one is a solid.

What could the temperature be?

[1]
A

−60 ∘C-60\,^\circ\mathrm{C}−60∘C

B

−30 ∘C-30\,^\circ\mathrm{C}−30∘C

C

0 ∘C0\,^\circ\mathrm{C}0∘C

D

40 ∘C40\,^\circ\mathrm{C}40∘C

Markscheme

2.3 Properties of materials Questions

  1. GCSE
  2. /Chemistry
  3. /2.3 Properties of materials

60 exam-style questions on OCR GCSE Chemistry 2.3 Properties of materials, covering 2.3.1 Carbon bonding and the variety of organic compounds, 2.3.2 Diamond, graphite, fullerenes and graphene, 2.3.3 Bond strength, changes of state and predicting states, 2.3.4 Bulk properties and types of bonding, and 2.3.5 Nanoparticles: scale, surface area, uses and risks. Each one has a worked solution and a mark scheme showing where the marks go.

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