Question

1.what is common among the 3 states of matter?

2. Which property of gas is used in supplying oxygen cylinders to hospital?

3. What is dry ice? what happens when the pressure under which it is stored is decreased to 1 atmosphere?

4. Why does the smell of hot food reaches you several metres away within seconds?

5. Why evaporation is called surface phenomenon?

6. At what temperature does solid ice and liquid water co-exist together?

7. Arrange the three States of matter in increasing order of their compressibility?


*I need answers before 2o'clock plzz help me*

Answer 1

Answer:

1. All the three states have some mass and occupies space. They are made of tiny particles.

2. High compressability is the property of gas that helps in supplying oxygen cyclinders to hospitals and other locations.

3. Solid H2O is called dry ice. It will start melting.

4. It is because of a property called diffusion

5. Because the evaporation process occurs on a surface like for drying clothes we need to increase surface area and so the complete process is a part of surface phenomenon

Explanation:

Answer 2

Answers::

Que:1) liquid , solid and gas.