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1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

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Question 5
H74%

Which separation is best carried out by fractional distillation?

[1]
A

Sand from a mixture of sand and water

B

Water from a solution of copper sulfate in water

C

Coloured dyes from a mixture of two inks

D

Ethanol from a mixture of ethanol and water

Markscheme

1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

40 exam-style questions on AQA GCSE Chemistry 1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes, covering 1.1.1a Atoms, elements and compounds, 1.1.1b Half equations and ionic equations, 1.1.2 Mixtures, 1.1.3 The development of the model of the atom (common content with physics), 1.1.4 Relative electrical charges of subatomic particles, 1.1.5 Size and mass of atoms, 1.1.6 Relative atomic mass, and 1.1.7 Electronic structure. Each one has a worked solution and a mark scheme showing where the marks go.

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