Balloons are filled with _________ ?

A. Nitrogen
B. Helium
C. Oxygen
D. Argon

Submitted by: Ali Mallah

Related Mcqs:

Which gas is commonly used in balloons and airships?
A. Helium
B. Hydrogen
C. Carbon
D. Chlorine

Submitted by: Amjad Ali Kosh
When water is filled in a bottle and is allowed to freeze, the bottle breaks because
A. Water expands on freezing
B. Bottle contracts at freezing point
C. temperature outside the bottle is less than that inside the bottle.
D. None of the above
The gas usually filled in the electric bulb is___________?
A. Nitrogen
B. Hydrogen
C. Carbon dioxide
D. Oxygen

Submitted by: Muhammad Ali Kunbhar
Titan, a moon of __________ , and Triton, a moon of _________ , have atmospheres mainly of _________.
A. Saturn, Jupiter, Hydrogen
B. Uranus, Neptune, Nitrogen
C. Saturn, Neptune, Nitrogen
D. Mars, Venus, Hydrogen

Submitted by: Muhammad Abdullah
A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________?
A. – 2O°C
B. – 10°C
C. + 10°C
D. + 20°C
Galileo was an Italian astronomer who _________?
A. Developed the telescope
B. Discovered four satellites of Jupiter
C. Discovered that the movement of pendulum produces a regular time measurement
D. All of the above

Submitted by: Rashid Mehmood
The unit of torque in International system of unit is _________?
A. Newton
B. Newton-Meter
C. Kilogram
D. Meter

Submitted by: Rashid Mehmood
Only male frog produce croacking sound because _________ ?
A. Male frog can magnify their voice with the help of sound box.
B. Male frog have three pair of vocal cord
C. Female frog have larynx but no vocal cord
D. Female frog have no larynx

Submitted by: Rashid Mehmood
What is the Chemical formula of Zinc Hydroxide _________ ?
A. Zn(OH)2
B. ZNO2
C. Zn2(OH)3
D. ZnOH

Submitted by: Rashid Mehmood
Crude Oil is heated in the furnace up to _________?
A. 300°C
B. 350°C
C. 400°C
D. 450°C

Submitted by: Warraich