Carbon Dioxide is ___________ than oxygen.
FPSC Past Papers / All — Multiple-choice practice
کاربن ڈائی آکسائیڈ آکسیجن سے ___________ ہے۔
- A. Heavier
- B. None of these
- C. Lighter
- D. Toxic
- E. Slower
Correct answer
Heavier
Explanation
Explanation Carbon Dioxide is heavier than oxygen so we might expect every CO2 molecule to sink below a layer of oxygen molecules. "concept" The Molecular weight and therefore the density (at the same temperature and pressure) of CO2 is only marginally higher than the average density of air. ND06-08-2023
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