Gasses Mcqs 141- Which gas is dangerous due to its ability to bind with hemoglobin? A. OxygenB. MethaneC. HydrogenD. Carbon monoxide View Answer Answer : D. Carbon monoxide Description 142- Which gas is used in scuba diving tanks to prevent nitrogen narcosis? A. NeonB. ArgonC. HeliumD. Methane View Answer Answer : C. Helium Description 143- Which gas is responsible for photosynthesis in plants? A. HeliumB. OxygenC. NitrogenD. Carbon dioxide View Answer Answer : D. Carbon dioxide Description 144- Which gas is used in modern aircraft for pressurization? A. HeliumB. NitrogenC. HydrogenD. Carbon monoxide View Answer Answer : B. Nitrogen Description 145- What gas helps in the ripening of fruits? A. OxygenB. EthyleneC. MethaneD. Carbon monoxide View Answer Answer : B. Ethylene Description 146- Which gas is used in MRI scanners? A. HeliumB. XenonC. ArgonD. Nitrogen View Answer Answer : A. Helium (liquid) Description 147- Which gas helps protect filament of light bulb? A. OxygenB. NitrogenC. ArgonD. Carbon monoxide View Answer Answer : C. Argon Description 148- Which gas is filled in life jackets to help in floating? A. HeliumB. Carbon dioxideC. OxygenD. Ammonia View Answer Answer : B. Carbon dioxide Description 149- Which gas is responsible for the greenhouse effect? A. NeonB. OxygenC. NitrogenD. Carbon dioxide View Answer Answer : D. Carbon dioxide Description 150- Which gas is most abundant in Earth's atmosphere? A. NitrogenB. OxygenC. HydrogenD. Carbon dioxide View Answer Answer : A. Nitrogen Description 151- Which gas is responsible for the pungent smell in decaying organic matter? A. HeliumB. OxygenC. AmmoniaD. Hydrogen View Answer Answer : C. Ammonia Description 152- What gas is released by plants during photosynthesis? A. OxygenB. NitrogenC. HydrogenD. Carbon dioxide View Answer Answer : A. Oxygen Description 153- Which gas causes suffocation in a closed room due to incomplete combustion? A. OzoneB. OxygenC. NitrogenD. Carbon monoxide View Answer Answer : D. Carbon monoxide Description 1 2 3 4 5 6 7 8
