NEUTRALIZATION
ACID + BASE → SALT + WATER
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Acid + Base = Neutral
NaOH
HCl + phenolphthalein
0
5
10
15
20
25
0
7
14
neutral (7)
NaOH (mL)
pH
NaOH added
pH
rang
1. Reaction
HCl + NaOH → NaCl + H₂O
Acid + Base → Salt + Water
2. Indicator
Phenolphthalein: colourless in acid,
pink in a base
3. Rozmarra
An antacid (base) neutralises stomach
neutralises more acid
MATRIC CHEMISTRY · ACIDS, BASES AND SALTS · PUNJAB BOARDS
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