Question

class 9th NCERT ch.1 matter in our surrounding all important things for learn please send me fast l make you in brainlist​

Answer 1

Answer:

1. definition of matter
2. physical classification and chemical classification
3. physical nature of matter
4. characteristics of particles of matter
5. diffusion
6. characteristics of states of matter
7. effect of change of temperature in different states of matter
8. melting point definition
9. boiling point definition
10. latent heat of fusion and latent heat of vapourization
11. condensation
12. sublimation
13. effect of change of pressure in different states of matter
14. evaporation
15. difference between evaporation and boiling
16. plasma
17. BEC

Answer 2

Answer:

if you are going to prepare notes for the exam

i think so this will be helpfull for you

matter :

In classical physics and general chemistry, matter is any

substance that has mass and takes up space by having volume.

kenetic energy : one place to another

melting boint of ice is 273.15k°

the process of melting that is change of solid state into liquid state is also known as fusion

when the solid melts and ots converted to liquid . the

minimum temperatures which solid melts to become liquid at atmospheric pressure

and the important one is

learn all the key words definition

i hope you will understand the lesson by this important points