Chemistry ..The world of colours and mysteries...
1. Everything is made of chemicals– Even water, air, and you!
2. Water expands when frozen – Unlike most substances, ice is less dense than water.
3. A single drop of water contains billions of molecules.
4. Gold is so malleable – 1 gram can be beaten into a sheet 1 square meter in size.
5. Helium can escape Earth’s gravity – That’s why balloons deflate over time.
6. Honey never spoils– Due to low moisture and high acidity, it can last thousands of years.
7. Chemistry is central to life– All biological processes rely on chemical reactions.
8. The smell of rain is caused by a chemical called petrichor.
9. Chalk (calcium carbonate) was once alive* – It’s made from microscopic marine organisms.
10. Your body is a chemical factory – It performs thousands of reactions every
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