A. Oxygen and hydrogen
B. Oxygen, hydrogen, acetylene and nitrogen
C. Oxygen, acetylene and argon
D. Oxygen and acetylene
Submitted by: Rashid Mehmood
Related Mcqs:
- The gases used in different types of welding would include:__________?
A. oxygen and hydrogen
B. oxygen, hydrogen, acetylene and nitrogen
C. oxygen, acetylene and argon
D. oxygen and acetyleneSubmitted by: Farjan Ahmed Soomro
- Which of the following mixture of gases is required in gas welding?
A. Oxygen and ethylene
B. Oxygen and hydrogen
C. Acetylene and oxygen
D. Acetylene and hydrogenSubmitted by: Ashfaque Ali Khoso
- Which one of the following gases is readily soluble in water at room temperature?
A. Chlorine
B. Nitrogen
C. Ammonia
D. Carbon dioxideSubmitted by: ABDUL HAYEE
- Which of the following gases do plants and trees give out during photosynthesis?
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Carbon dioxideSubmitted by: ABDUL HAYEE
- The gases which are used by drivers as an artificial atmosphere are helium and_____________?
A. Nitrogen
B. Oxygen
C. Neon
D. Carbon monoxideSubmitted by: Ashfaque Ali Khoso
- Mostly which gases found of the planet Jupiter?
A. Hydrogen
B. Chlorine
C. Hydrogen and Helium
D. NeonSubmitted by: Zeeshan Mehand
- Of the six noble gases in the periodic table, which is the lightest?
A. Nitrogen
B. Hydrogen
C. Helium
D. OxygenSubmitted by: Ashfaque Ali Khoso
- Which of the following noble gases is not present in atmosphere?
A. Argon
B. Helium
C. Radon
D. XenonSubmitted by: Malik Asghar Hussain
- Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?
A. Boyle’s law
B. Charles’ law
C. Gay-Lussac’s law
D. Avogadro’s lawSubmitted by: Malik Asghar Hussain
- Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?
A. Carbon dioxide
B. Oxygen
C. Nitrogen
D. Hydrogen sulphideSubmitted by: Rashid Mehmood
