CHEMISTRY (धातु एवं अधातु) CLASS -2 BY-SANJAY SIR

Chemistry is a branch of natural science that studies the properties of matter and the changes it undergoes:
What it studies
Chemistry studies the composition, structure, and properties of matter, including elements, compounds, atoms, molecules, and ions. It also studies how these substances change and the energy that's released or absorbed during these changes.
Where it's found
Chemistry is everywhere, as everything you can see, smell, or touch contains chemicals, many of which occur naturally and some of which are man-made.

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