A. Methane gas
B. Hydrogen sulphide
C. Carbondioxide gas
D. Diesel vapours
Correct Answer: Hydrogen sulphide ✔
Last Updated: August 25, 2020
A. Methane gas
B. Hydrogen sulphide
C. Carbondioxide gas
D. Diesel vapours
Correct Answer: Hydrogen sulphide ✔
Last Updated: August 25, 2020