Which gas is most abundant in the air?
MCQs on Nature’s Treasures for Class 6 Science Comprehensive Guide
This collection of Class 6 Science MCQs from Chapter 11, Nature’s Treasures, is designed to enhance learning through objective questions. Covering forests, minerals and biodiversity, these questions help students test their knowledge. Each question comes with a well-explained solution, ensuring that students not only memorize but also comprehend the concepts.
Ans.: (C)
Nitrogen gas is most abundant in the air.
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The most abundant gas in the air is Nitrogen (C). It makes up about 78% of Earth’s atmosphere. Oxygen is the second most abundant at 21%, while carbon dioxide and argon exist in much smaller amounts. Nitrogen is essential for plant growth.
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