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Soft drinks (carbonated beverages) typically contain which acid?
AOxalic acid
BTartaric acid
CCarbonic acid
DCitric acid
Answer & Solution
Correct answer: C. Carbonic acid
1. Carbonated drinks are made by dissolving carbon dioxide under pressure.
2. Dissolved CO₂ forms carbonic acid in water.
3. Hence soft drinks contain carbonic acid.
_Source: RRB Group D CEN-02/2018 PYQ, Q.27._