Acids and Alkalis Overveiw
Basic overveiw of Acids, Alkalis and Neutralisation reactions.
- Created by: Elsie_
- Created on: 09-05-13 11:07
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- Acids and Alkalis
- The pH scale: 0 is acidic, 7 is neutral, 14 is alkaline
- A pH indicator is a dye that changes colour according to the pH.
- Red for Acids, Green for Neutral, Purple for Alkalis.
- Indicator can be used to tell when neutralisation reactions are finished (it will be green)
- Acids and Bases (Alkalis = bases that dissolve in water) neutralise each other
- Acid + Base = Salt + Water
- H+ + OH- = H2O
- H+ are Acidic ions
- OH- are Alkaline ions
- Water (H2O) is neutral
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