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4.1 Reactivity of metals

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Question 4

A student writes this unbalanced symbol equation for the reaction of aluminium with dilute hydrochloric acid:

Al+HCl→AlCl3+H2 \text{Al} + \text{HCl} \rightarrow \text{AlCl}_3 + \text{H}_2 Al+HCl→AlCl3​+H2​

Which numbers, written in front of Al\text{Al}Al, HCl\text{HCl}HCl, AlCl3\text{AlCl}_3AlCl3​ and H2\text{H}_2H2​ in that order, balance the equation?

[1]
A

1, 2, 1, 1

B

2, 6, 2, 6

C

2, 6, 2, 3

D

1, 3, 1, 1

Markscheme

4.1 Reactivity of metals Questions

  1. GCSE
  2. /Chemistry
  3. /4.1 Reactivity of metals

86 exam-style questions on AQA GCSE Chemistry 4.1 Reactivity of metals, covering 4.1.1 Metal oxides, 4.1.2 The reactivity series, 4.1.3 Extraction of metals and reduction, and 4.1.4 Oxidation and reduction in terms of electrons. Each one has a worked solution and a mark scheme showing where the marks go.

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