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Methods of separating and purifying substances

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Question 3

The melting points of three different samples of compound W are shown in the table below.

SampleMelting point in °C
D134–138
E141
F137–139

State whether each of these samples, D, E, and F, is pure or impure and justify your answers using the information in the table.

[3]

Methods of separating and purifying substances Questions

  1. GCSE
  2. /Chemistry
  3. /Methods of separating and purifying substances