Which gas is used to extinguish fire?

Related Mcqs:

1. Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

   A. Conduction
   B. Convection
   C. Radiation
   D. Reflection
   E. None of these

2. Which ocean is called “Ring of Fire”?

   A. Indian Ocean
   B. Pacific Ocean
   C. Atlantic Ocean
   D. Antarctic Ocean

   Submitted by: Bilawal Tunio

3. The gas, commonly known as “laughing gas”, is

   A. Carbon Dioxide
   B. Sulfur Dioxide
   C. Nitrous Oxide
   D. Sodium Oxide

4. Which of the gas is not known as green house gas?

   A. Methane
   B. Nitrous oxide
   C. Carbon dioxide
   D. Hydrogen

   Submitted by: Farjan Ahmed Soomro

5. As comets get close to the sun, they start to “melt” and release gas and dust. This gas and dust forms what?

   A. “coma” around the comet’s nucleus and a long tail that points away from the sun
   B. “coma” that points away from the sun and a long tail around the comet’s nucleus
   C. Only “coma” around the comet’s nucleus
   D. Only a long tail that points away from the sun

   Submitted by: Muhammad Abdullah

6. Which gas was discovered on the sun about 151 years ago during total solar eclipse?

   A. Hydrogen
   B. Helium
   C. Nitrogen
   D. Flourine

   Submitted by: Kashif Ashraf

7. Which of the following is the most toxic gas?

   A. Carbon dioxide
   B. Carbon monoxide
   C. Nitrogen
   D. Hydrogen

   Submitted by: ABDUL HAYEE

8. What is the name of the gas used in an air conditioner?

   A. Ammonia
   B. Nitrous oxide
   C. Freon
   D. CO2

   Submitted by: waqas shah

9. The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ?

   A. Argon
   B. Xenon
   C. Helium
   D. Krypton

   Submitted by: Rashid Mehmood

10. In the human body, the lungs remove which gas from the blood?

    A. Nitrogen
    B. Hydrogen
    C. Carbon Dioxide
    D. Argon

    Submitted by: Kashif Ali Gaad