Question

here are a few set of questions for which I need the answer urgently

1) why are solids generally denser than liquids and gases?

2) name the factors that affect evaporation.

3)how is the compressibility property of gas useful to us?

4)with the help of an example explain how diffusion of gases in water is essential?

5)on a sunny day why do people sprinkle water on the roof or open ground?

6)why do people perspire a lot a hot humid day.

7)a balloon when kept in sun, bursts after some time. why?

very very urgent pls help not joking......

Answer 1

solids are denser as intermolecular space is less and force of attraction is more.

Answer 2

Answer:

1 because they have less intermilecular space and more intermolecular force than liquid or gas