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2.3 Properties of materials

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Question 16

A researcher records two changes of state: diamond melts and methane boils.

Which statement gives a correct account of the attractions overcome in these changes of state?

[1]
A

Weak intermolecular forces in diamond and strong covalent bonds in methane

B

Weak intermolecular forces in both diamond and methane

C

Strong covalent bonds in diamond and weak intermolecular forces in methane

D

Strong covalent bonds in both diamond and methane

Markscheme

2.3 Properties of materials Questions

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

122 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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