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2.5 Types of substance

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Question 13
F

Which comparison of sodium chloride and carbon dioxide is correct?

[1]
A

NaCl\mathrm{NaCl}NaCl: ionic, high melting point; CO2\mathrm{CO_{2}}CO2​: simple molecular, low melting point

B

NaCl\mathrm{NaCl}NaCl: ionic, low melting point; CO2\mathrm{CO_{2}}CO2​: giant covalent, high melting point

C

NaCl\mathrm{NaCl}NaCl: simple molecular, low melting point; CO2\mathrm{CO_{2}}CO2​: ionic, high melting point

D

NaCl\mathrm{NaCl}NaCl: ionic, high melting point; CO2\mathrm{CO_{2}}CO2​: giant covalent, high melting point

Markscheme

2.5 Types of substance Questions

  1. GCSE
  2. /Chemistry
  3. /2.5 Types of substance

48 exam-style questions on Edexcel GCSE Chemistry 2.5 Types of substance, covering 2.5.1 Classifying substances by structure and bonding, 2.5.2 Properties of ionic and simple molecular substances, 2.5.3 Giant covalent structures: diamond and graphite, 2.5.4 Fullerenes, graphene and simple polymers, 2.5.5 Properties of metals and non-metals, and 2.5.6 Limitations of bonding models and representations. Each one has a worked solution and a mark scheme showing where the marks go.

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