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5.1 Exothermic and endothermic reactions

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12
Question 2
F82%

Combustion is an exothermic reaction. Which reaction below is also exothermic?

[1]
A

The thermal decomposition of calcium carbonate

B

The reaction of citric acid with sodium hydrogencarbonate

C

The neutralisation of hydrochloric acid by sodium hydroxide

D

The reaction inside a sports injury cold pack

Markscheme

5.1 Exothermic and endothermic reactions Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Exothermic and endothermic reactions

39 exam-style questions on AQA GCSE Chemistry 5.1 Exothermic and endothermic reactions, covering 5.1.1 Energy transfer during exothermic and endothermic reactions, 5.1.2 Reaction profiles, and 5.1.3 The energy change of reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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