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10.1 Using the Earth's resources and obtaining potable water

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Question 11

A workshop collects water that condenses on a cooling coil. A technician claims that the collected water is chemically pure.

MeasurementResult
Mass of empty evaporating basin38.64 g
Mass of basin after the water is evaporated38.66 g
Boiling point of the water100 ∘C100\ ^\circ\text{C}100 ∘C

Explain whether the results support the technician's claim.

[3]
Markscheme

10.1 Using the Earth's resources and obtaining potable water Questions

  1. GCSE
  2. /Chemistry
  3. /10.1 Using the Earth's resources and obtaining potable water

87 exam-style questions on AQA GCSE Chemistry 10.1 Using the Earth's resources and obtaining potable water, covering 10.1.1 Using the Earth's resources and sustainable development, 10.1.2 Potable water, 10.1.3 Waste water treatment, and 10.1.4 Alternative methods of extracting metals. Each one has a worked solution and a mark scheme showing where the marks go.

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