Note AcademyNote Academy
Start

Chemistry · Oct / Nov 2018 · Paper 12 · Question 2

5070Separation and purification

Four substances are heated gently. The temperatures at which they start and finish melting are recorded. Which statement about the substances is correct?

  1. ASubstance 1 is the only pure substance.
  2. BSubstance 3 and substance 4 are impure.
  3. CSubstance 4 is water.
  4. DThey are all solids at room temperature.

As printed in the paper

Show the answer

Correct answer: B. Substance 3 and substance 4 are impure.

Sit this whole paper →More on Separation and purification

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.