Question

2. Practice Questions
1. Why is oxygen called a gas? Give two reasons.
2. Write the physical state of matter that shows the property given below.
(a) Rigid and incompressible
(b) Definite shape and definite volume
(c) Most compressible form of matter
(d) Definite volume but no fixed shape.​

Answer 1

Answer:

Explanation:

Answer 1:

• Oxygen remains in gaseous state at normal temperature and pressure.

• The particles of oxygen move randomly in all directions due to less inter particular force and high kinetic energy.

• They do not have a fixed shape or volume.

Hence, oxygen is called gas.

Answer 2:

(a) Solid state

(b) Solid state

(c) Gaseous state

(d) Liquid state

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