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Basic Reactions of Acids.

Any chemical that dissociates to give an Hion is classified as an acid.  There are stong and weak acids but at GCSE you only need to know some key reactions which apply to both weak and strong acids. 

acid + metal = salt of the acid + Hgas. 

acid + base = salt of acid + H2

acid + carbonate = CO2  + H2O + salt of acid 

Each time the salt of the acid is named as follows: 

If the acid is HCl the compound will be a metal chloride, 

If the acid is H2SOthe salt will be a metal suphate

Similarly, if the acid is ethanoic or methanoic acid, the salt will be an ethanoate or a methanoate respectively. 

eg. ethanoic acid + potassium hydroxide = potassium ethanoate + water

Katerina  T. GCSE Biology tutor, GCSE Chemistry tutor, A Level Russia...

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