Question

please answer the following in detail if you know all the question please ​

Answer 1

Answer:

Ans 2 .1.Oxygen is used by firemen, miners, aviators, sea divers and even by every living being.

2.Oxygen is necessary for burning of fuels.

3.Oxygen mixed with hydrogen as fuel produces.a flame with a very high temperature about 2800°C.

4.As a fuel in spacecraft.

Answer 2

Answer:

Oxygen is used by firemen

Oxygen is necessary for burning

It is an fuel in aircrafts

Explanation: