Class 8 Exam  >  Class 8 Questions  >  Which of the following statements about carbo... Start Learning for Free
Which of the following statements about carbon dioxide is true?
  • a)
    It is a colorless, odorless gas and does not support combustion.
  • b)
    It is a solid at room temperature.
  • c)
    It is a toxic gas that can cause suffocation.
  • d)
    It is lighter than air and rises in the atmosphere.
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which of the following statements about carbon dioxide is true?a) It i...
Carbon dioxide is indeed a colorless, odorless gas that does not support combustion. This property makes it useful in fire extinguishers to smother flames, as it displaces oxygen.
Free Test
Community Answer
Which of the following statements about carbon dioxide is true?a) It i...
Understanding Carbon Dioxide
Carbon dioxide (CO2) is an essential gas in our atmosphere, and several key facts clarify its characteristics.
Colorless and Odorless
- CO2 is indeed a colorless and odorless gas, which means it cannot be seen or smelled in its natural state.
- This property makes it less noticeable in the environment, unlike other gases that might have distinct odors.
Non-flammable Nature
- One of the most important properties of carbon dioxide is that it does not support combustion.
- This means that fire cannot burn in the presence of CO2, making it a useful gas in fire extinguishers.
State at Room Temperature
- Contrary to option b, carbon dioxide is not a solid at room temperature.
- It exists as a gas under standard atmospheric conditions. However, it can be found in solid form as dry ice, but only at very low temperatures.
Toxicity and Suffocation
- While CO2 is not classified as a toxic gas in the same way that carbon monoxide is, high concentrations can lead to suffocation.
- This occurs because CO2 displaces oxygen in the air, leading to insufficient oxygen for breathing.
Density Compared to Air
- Option d is also incorrect as carbon dioxide is denser than air, causing it to settle rather than rise in the atmosphere.
In conclusion, the correct answer is option 'A': Carbon dioxide is a colorless, odorless gas that does not support combustion, making it a unique and important component of our atmosphere.
Explore Courses for Class 8 exam

Top Courses for Class 8

Question Description
Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer? for Class 8 2025 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 8 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer?.
Solutions for Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 8. Download more important topics, notes, lectures and mock test series for Class 8 Exam by signing up for free.
Here you can find the meaning of Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer?, a detailed solution for Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Which of the following statements about carbon dioxide is true?a) It is a colorless, odorless gas and does not support combustion.b) It is a solid at room temperature.c) It is a toxic gas that can cause suffocation.d) It is lighter than air and rises in the atmosphere.Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Class 8 tests.
Explore Courses for Class 8 exam

Top Courses for Class 8

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev