Skip to content

Course home

Sign up

6.1 Transition metals, alloys and corrosion

EasyMediumHard
12345678910111213141516171819
Question 11
H

Rust is hydrated iron(III) oxide, Fe2O3⋅xH2O\mathrm{Fe_{2}O_{3}\cdot xH_{2}O}Fe2​O3​⋅xH2​O. A 5.35 g sample of rust is heated until all the water has been removed, leaving 4.00 g of Fe2O3\mathrm{Fe_{2}O_{3}}Fe2​O3​.

What is the value of x? (Relative atomic masses: H = 1, O = 16, Fe = 56)

[1]
A

1

B

3

C

6

D

12

Markscheme

6.1 Transition metals, alloys and corrosion Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Transition metals, alloys and corrosion

42 exam-style questions on Edexcel GCSE Chemistry 6.1 Transition metals, alloys and corrosion, covering 6.1.1 Properties of transition metals, 6.1.2 Corrosion and its prevention, and 6.1.3 Alloys and the uses of metals. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank