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Acids and Bases - Coggle Diagram
Acids and Bases
pH
Acid is below pH 7
Alkali is above pH 8
pH 7 is neutral
pH is in between 1-14
Low pH is a high concentration
High pH (Alkali) is a low concentration
Reactions
Metals
Salt and Hydrogen
Metal carbonates
Salt + water + carbon dioxide
Metal oxides
Salt + water
Metal Hydroxides
Salt + water
Salts
Naming
HCL - Chlorides
H2SO4 - sulfate
HNO3 - nitrate
Making
1) Add base in excess
2) Filter - remove bases
3) crystallise (heat gently)
Bases
Alkali
aqueous
releases OH-
pH of 8 - 14
Neutralisation
Acid + base = Salt + water
H+ + OH- =H2O
Acids
Strong / Weak acid
Weak acid partially ionise
Strong Acid fully ionise
Concentrated / Dilute
Concentrated is the number of acids per volume