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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 26
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A mixture contains three miscible liquids, R, S and T. Their boiling points are shown in the table.

LiquidBoiling point in °C
R45
S82
T116

The mixture is separated by fractional distillation.

Which liquid should be collected first?

[1]
A

Liquid R

B

Liquids R, S and T together

C

Liquid T

D

Liquid S

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

93 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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