Chemistry · Composition of Atmosphere

The approximate percentage of oxygen in Earth's atmosphere by volume is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

191%
287%
332%
421%✓

Correct answer

21%

Download Single Question PDF

Save this question and verified answer as a clean study sheet with live clickable link.

👥

Share with Friends & Study Groups

Challenge your peer aspirants on WhatsApp or Telegram to solve this question!

Online Test Series

Preparing for Chemistry?

Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.

Start Free Mock Test →

Chapter Practice

Want more practice questions on Composition of Atmosphere?

Solve complete topic-wise tests with detailed solutions on GkGet.

Practice Composition of Atmosphere MCQs →

Recommended practice questions in Chemistry · Composition of Atmosphere

Browse More Chemistry →

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Solve Question→

Which of the following events is considered the first major peasant uprising against the British in India?

Solve Question→

The approximate percentage of oxygen in Earth's atmosphere by volume is:

Download Single Question PDF

Share with Friends & Study Groups

Preparing for Chemistry?

Practice by Subject

Practice by Exam

Topic-Wise Solved Questions

The approximate percentage of oxygen in Earth's atmosphere by volume is:

Download Single Question PDF

Share with Friends & Study Groups

Preparing for Chemistry?

Related Practice Questions

Practice by Subject

Practice by Exam

Topic-Wise Solved Questions