Mrs Roberts: What do you think you're made of? Mr Spellman: Big question. Grit, determination, hard-working, handsome, charming, funny. Mrs Roberts: Well, I guess. But you're actually made of atoms.
In this article you will get CBSE Class 10 Science chapter 1, Chemical Reactions and Equations: NCERT Exemplar Problems and Solutions (Part-II). Every question has been provided with a detailed ...
The processes like crystallisation, boiling, vaporisation, burning of colour, melting point, hardness etc, are called physical changes. These are reversible in nature. The processes like ...
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