Percentage is the number of parts in 100. In the composition of air, nitrogen occupies 78%, oxygen 21%, and other gases 1%. NCERT Textbook Curiosity Science Class 6 Chapter 11 Nature’s Treasures
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Argon, carbon dioxide, and other gases together make up 1% of the air. Chapter 11 Nature’s Treasures NCERT Science book Curiosity Science Session 2024-2025.
Oxygen makes up 21% of the air, meaning that out of every 100 parts, 21 parts are oxygen. Chapter 11 Nature’s Treasures NCERT Science Textbook Curiosity Science Session 2024-2025.
Other gases present in the air include argon, carbon dioxide, and trace amounts of other gases. Class 6 Science NCERT Chapter 11 Chapter 11 Nature’s Treasures
The most abundant gas in the air is nitrogen, which makes up 78% of the air. Class 6 Science NCERT Chapter 11 Chapter 11 Nature’s Treasures