Practice Composition of Dry Air (by volume) - 1.1 | Air Quality & Air Pollution | Environmental Engineering
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary component of dry air?

💡 Hint: It's the most abundant gas.

Question 2

Easy

What percentage of dry air is composed of oxygen?

💡 Hint: It's less than nitrogen but more than argon.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the approximate percentage of nitrogen in dry air?

  • 78.09%
  • 20.95%
  • 0.93%

💡 Hint: Look for which gas has the highest proportion.

Question 2

True or False: Carbon dioxide makes up 0.93% of dry air.

  • True
  • False

💡 Hint: Remember the correct percentage.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If the volume of dry air is 1000 liters, how many liters would each of the major gases occupy based on their percentage compositions?

💡 Hint: Apply the percentages to the total volume.

Question 2

Explain how variations in altitude affect air composition and properties, focusing on temperature fluctuations.

💡 Hint: Think about how mountain climbers notice changes in breathing as they go higher.

Challenge and get performance evaluation