A. Sulphur di-oxide
B. Carbon di-oxide
C. Nitrogen oxides and fluoro-carbons
D. Carbon monoxide
Correct Answer: Nitrogen oxides and fluoro-carbons ✔
Last Updated: May 23, 2024
A. Sulphur di-oxide
B. Carbon di-oxide
C. Nitrogen oxides and fluoro-carbons
D. Carbon monoxide
Correct Answer: Nitrogen oxides and fluoro-carbons ✔
Last Updated: May 23, 2024