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4.2.4 pH Scale and Neutralisation — AQA Chemistry 8462 | GradeGen.AI
Chemistry
Chemical changes
Acid Reactions
pH Scale and Neutralisation
pH Scale and Neutralisation
AQA GCSE Chemistry (8462) — Chemical changes
What You Need to Know
Use the pH scale to identify acidic, neutral, and alkaline solutions.
Describe neutralisation in terms of hydrogen and hydroxide ions reacting to form water:
H
+
(
a
q
)
+
O
H
−
(
a
q
)
→
H
2
O
(
l
)
H^+(aq) + OH^-(aq) \rightarrow H_2O(l)
H
+
(
a
.
Revision Notes
1
pH Scale and Neutralisation
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Titrations
q
)
+
O
H
−
(
a
q
)
→
H
2
O
(
l
)
