The discomfort caused by indigestion due to overeating can be cured by treating:
(a) Vinegar
(b) Lemon juice
(c) Baking soda
(d) Caustic soda

Correct Answer: (c) Baking soda.

Explanation: Baking soda is a base, therefore it neutralises the excess acid produced in the stomach and cures indigestion due to overeating.