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8.1 Purity, formulations and chromatography

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Question 1
F

A student found that a white solid melted gradually between 62 ∘C62\ ^\circ\text{C}62 ∘C and 71 ∘C71\ ^\circ\text{C}71 ∘C.

What does this result show about the solid?

[1]
A

It is a mixture

B

It is a pure element

C

It is a pure compound

D

It is a single substance

Markscheme

8.1 Purity, formulations and chromatography Questions

  1. GCSE
  2. /Chemistry
  3. /8.1 Purity, formulations and chromatography

40 exam-style questions on AQA GCSE Chemistry 8.1 Purity, formulations and chromatography, covering 8.1.1 Pure substances, 8.1.2 Formulations, and 8.1.3 Chromatography. Each one has a worked solution and a mark scheme showing where the marks go.

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