Question

why oxygen is called gas? support by giving two reasons​

Answer 1

It neither has settled volume nor settled shape. 2. Particles of gas are allowed to move anywhere. Oxygen is the base of our life.We all are living because of Oxygen.The oxygen is required both by animals and human beings.Plants inhale carbondioxide and give out Oxygen.

Answer 2

(i) Oxygen neither has a fixed shape nor a fixed volume.

(ii) Oxygen exerts pressure due to the collisions of the molecules on the walls of the containing vessel.

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