Asked/Added Questions From NCERT:

Question 1. Asked on :18 August 2019:06:35:06 PM

 Write the characteristics of particles of Matter. 

-Added by Himanshi Verma Science » Ch- 1


Himanshi Verma
Characterstics of particles of matter are:

1. Particles of matter are continuously moving them.

2. Particles of matter are attract each other.

3. particles of matter have space between  them.

-Answered by Himanshi Verma On 18 August 2019:07:18:53 PM

Question 2. Asked on :18 August 2019:06:33:31 PM

 Why does our palm feel cold when we put some acetone or petrol or perfume on it?

-Added by Himanshi Verma Science » Ch- 1


Akki chauhan

 This increase the liquid molecules around it in vapour phase thus our palm feel cold . Acetone,petrol or perfume has low boiling temperature.It gain energy from our palm and evaporate quickly cause cooling.

-Answered by Akki chauhan On 19 August 2019:10:34:55 AM


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