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Why are milk and drinking water often boiled?

ATo add more minerals
BTo change their colour
CTo make them heavier
DTo kill harmful microbes
Answer & Solution
Correct answer: D. To kill harmful microbes
1. Boiling heats a liquid enough to kill microbes. 2. Milk and water may carry harmful microbes, so they are boiled before use. 3. Boiling does not add minerals, weight or colour. _Source: Wikipedia, Food preservation, Boiling_
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