AP EAMCET · Chemistry · Environmental Chemistry
The acceptable level of carbon monoxide gas (CO) in the atmosphere in ppm level is
- A 9
- B 250
- C 49
- D 850
Answer & Solution
Correct Answer
(A) 9
Step-by-step Solution
Detailed explanation
The acceptable level of carbon monoxide gas (CO) in the atmosphere is \(\approx 9 \mathrm{ppm}\).
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