Question

what you know chemistry chapter 1 matter in organic surroundings class 9 book
please tell important points ​

Answer 1

Answer:

Hey there,

Here is your answer:

1. Matter, its definition and caracteristics

2. Diffusion and its Applications

3. Brownian Motion

4. States of Matter

5. Interconversion of Three States of Matter

6. Evaporation

7. Important physical quantities and their SI units

Explanation:

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IT'S A HUMBLE REQUEST.....

Answer 2

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