AQA GCSE Chemistry

Revision Notes

4.2.1 Reactions of Acids with Metals

Reactions of Acids with Metals

  • Only metals above hydrogen in the reactivity series will react with dilute acids.
  • The more reactive the metal then the more vigorous the reaction will be.
  • Metals that are placed high on the reactivity series such as potassium and sodium are very dangerous and react explosively with acids.
  • When acids react with metals they form a salt and hydrogen gas:
  • The general equation is:

metal + acid ⟶ salt + hydrogen

  • Some examples of metal-acid reactions and their equations are given below:

Acid-Metal Reactions Table 

Acids and Metals Examples Table, downloadable IGCSE & GCSE Chemistry revision notes

  • In general we can summarise these reactions as follows:

Acid-Metal Reactions Summary Table 

Acids and Metals Summary Table, downloadable IGCSE & GCSE Chemistry revision notes

Exam Tip

Sulfuric acid reacts with metals and produces sulfate salts while hydrochloric acid produces chloride salts.

Author: Francesca

Fran has taught A level Chemistry in the UK for over 10 years. As head of science, she used her passion for education to drive improvement for staff and students, supporting them to achieve their full potential. Fran has also co-written science textbooks and worked as an examiner for UK exam boards.

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