Which gas is commonly used in balloons and airships?

A. Helium
B. Hydrogen
C. Carbon
D. Chlorine

Submitted by: Amjad Ali Kosh

Related Mcqs:

Balloons are filled with _________ ?
A. Nitrogen
B. Helium
C. Oxygen
D. Argon
Submitted by: Ali Mallah
The gas, commonly known as “laughing gas”, is
A. Carbon Dioxide
B. Sulfur Dioxide
C. Nitrous Oxide
D. Sodium Oxide
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
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
Sodium Carbonate is commonly called ________?
A. Plaster of Paris
B. Washing Soda
C. Common Salt
D. None of these
Submitted by: Mansoor Ahmed Suhag
Which of the following is commonly called a polyamide ?
A. Rayon
B. Nylon
C. Terylene
D. Orion
Submitted by: Mansoor Ahmed Suhag
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
Which ocean does not commonly experience tropical cyclones ?
A. Western Pacific
B. North Atlantic
C. South Atlantic
D. Indian Ocean
Submitted by: Aamir Balouch
__________ 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
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