Skip to content

Course home

3.2 Methods of separating and purifying substances

3.2 Methods of separating and purifying substances

EasyMediumHard
123456789101112131415
Question 12
H

Some countries produce drinking water from sea water.

Statement 1: filtering sea water through very fine filter paper removes most of the dissolved salt

Statement 2: distillation works because the salt has a much higher boiling point than water

Statement 3: distilling sea water needs a lot of energy, so it is mainly used where fresh water is scarce

Which statements are correct?

[1]
A

2 only

B

1 and 2 only

C

2 and 3 only

D

1, 2 and 3

Markscheme

3.2 Methods of separating and purifying substances Questions

  1. GCSE
  2. /Chemistry
  3. /3.2 Methods of separating and purifying substances

107 exam-style questions on Edexcel GCSE Chemistry 3.2 Methods of separating and purifying substances, covering 3.2.1 Pure substances and mixtures, 3.2.2 Techniques for separating mixtures, 3.2.3 Paper chromatography and Rf values, and 3.2.4 Making water potable. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank