Question

what is oxygen??
what is air??​

Answer 1

Answer:

Oxygen is a pure element while air consists of combination of several elements. Air comprises of the mixture of several gases present in the atmosphere and oxygen is termed as one of the essential components present in the air. Air comprises oxygen but oxygen although generically called air does not contain air.

The atmosphere of Earth, commonly known as air, is the layer of gases retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere.

Step-by-step explanation:

Answer 2

Answer:

Oxygen - Oxygen is a chemical element. it is also a non-metal. Fire can extinguish only in the present of oxygen.

Atomic number : 8

Symbol : O

Atomic mass: 15.999 u

Discovered by : Joseph Priestley, Antoine Lavoisier, Carl Wilhelm Scheele, Edwin McMillan.

Uses of Oxygen -

Oxygen is used by plants and animals in the process of respiration.

Oxygen Tanks are used in hospital for patience who've breathing problems.

Oxygen is used in industries for manufacturing.

Oxygen is also used by scuba diver and astronaut for surviving.