Neutralisation
Acids and alkalis are chemical opposites. They are at opposite ends of
the pH scale.
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(1) Colour in the pH scale using appropriate colours
(2) Write acid, alkali and neutral on the correct part of the pH scale.
When acids and alkalis meet they cancel each other out. This is called
neutralisation.
Test the acid you have been given. What is its pH? _____
Test the alkali you have been given. What is its pH? _____
Mix the acid and alkali together. Stir. Test the pH again.
The pH at the end was ______
What has happened to the acid and alkali?
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