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3.3 Types of chemical reactions

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Question 4
F

Hydrogen is made in industry by reacting methane with steam.

CH4+H2O→CO+3H2 \mathrm{CH_{4} + H_{2}O \rightarrow CO + 3H_{2}} CH4​+H2​O→CO+3H2​

Which statement is correct?

[1]
A

Methane is oxidised and steam is reduced.

B

Methane is reduced and steam is oxidised.

C

Steam is oxidised and carbon monoxide is reduced.

D

Nothing is oxidised or reduced, because no oxygen gas reacts.

Markscheme

3.3 Types of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /3.3 Types of chemical reactions

53 exam-style questions on OCR GCSE Chemistry 3.3 Types of chemical reactions, covering 3.3.1 Oxidation and reduction in terms of oxygen, 3.3.2 Acids, alkalis and neutralisation, 3.3.3 The pH scale and measuring pH, 3.3.4 Oxidation and reduction in terms of electrons, 3.3.5 Dilute and concentrated, weak and strong acids, and 3.3.6 Hydrogen ion concentration and pH. Each one has a worked solution and a mark scheme showing where the marks go.

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