Chemistry, asked by Reena6461, 8 months ago

important points of chapter 2 class 9​

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Answered by Anonymous
1

Is Matter Around Us Pure Class 9 Notes - Chapter 2

Pure substances. Pure substances are elements or compounds. ...

Types:

Homogeneous mixture. ...

Heterogeneous mixture. ...

Physical and chemical changes. ...

Solubility. ...

Types of solutions based on the concentration of the solution. ...

Ways of representing the concentration of a solution.

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