Science CBSE Class X — Chemical Reactions and Equations + 8 more topics

You encounter acids, bases, and salts every day. Lemon juice is acidic, soap is basic, and table salt is, well, a salt! Understanding them helps explain lots of chemical reactions.

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Chemical reactions are fundamental to chemistry. They're all about transformation. When substances react, their atoms rearrange to form new substances. You can often tell a reaction has happened by observing changes like a change in color, temperature, state, or the formation of a gas or precipitate.

You're surrounded by metals and non-metals. From the iron in your bicycle to the oxygen you breathe, they're fundamental building blocks. Let's break down their key characteristics.

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