Question

NCERT CLASS IX - Science Textbook
Chapter 14 - Natural Resources

What are the two forms of oxygen found in the atmosphere?

Answer 1

Oxygen - that we breath
Ozone - it protects us from UV rays.

Answer 2

The two forms of oxygen found in the atmosphere are :-

Elementary form :- A diabetic molecule having two atoms of oxygen with chemical formula O2 A diatomic molecule having three atoms of oxygen with chemical formula O3.

Combined form :- oxygen combine with other element .

Example :- carbon dioxide CO2

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