Which gas is commonly used in balloons and airships?

Related Mcqs:

1. Balloons are filled with _________ ?

   A. Nitrogen B. Helium C. Oxygen D. Argon Submitted by: Ali Mallah...

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

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

3. 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...

4. 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...

5. Sodium Carbonate is commonly called ________?

   A. Plaster of Paris B. Washing Soda C. Common Salt D. None of these Submitted by: Mansoor Ahmed Suhag...

6. Which of the following is commonly called a polyamide ?

   A. Rayon B. Nylon  C. Terylene D. Orion Submitted by: Mansoor Ahmed Suhag...

7. For the generation of biogas, the materials commonly used are__________?

   A. Animal wastes B. Forest residues C. Aquatic plants D. None of these Submitted by: Yamna khan...

8. Which ocean does not commonly experience tropical cyclones ?

   A. Western Pacific B. North Atlantic C. South Atlantic D. Indian Ocean Submitted by: Aamir Balouch...

9. __________ gas is released when coal is burnes in ln lack of Oxygen?

   A. Carbon Dioxide B. Methane C. Ethene D. Carbon Monoxide Submitted by: Rizwan Ahmed Panhwar...

10. Which planets in solar system are called gas giants?

    A. Outer planets (Jupiter, Saturn and Uranus) B. Outer planets (Jupiter, Neptune and Uranus) C. Outer planets (Jupiter and Saturn) D. Inner planets (Mercury and Earth) Submitted by: Muhammad Abdullah...