Why is it important to write an expiry date on bottled water?

This is not because it will go bad but because some countries have laws requiring expiration date to liquids. Also, people know how long back it was packed. However, plastic bottles will gradually release volatile molecules from the plastic. Most of these will escape into the air, but some of them will get in water. […]

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Why does adding oils to cooking water keep it from boiling over?

Plain water when boiled will never boil over the edge of the pot, because the bubbles will pop before they reach the surface. By adding olive oil to the boiling water, the surface tension is interrupted, thereby preventing the water from foaming up and boiling over the pot. By adding oil to the water, the

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Why is our food nothing but chemicals?

Chemicals are the basic building blocks of all things in this world. Food items consist of chemical compounds that are largely harmless and most often desirable. Nutrients like carbohydrates, proteins, fat and fibre are also chemicals. Most of these nutrients are produced naturally and without any intervention from humans. They contribute in providing us with

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