Advertisements
Advertisements
प्रश्न
Write the full forms of the following
- LPG
- CNG
Advertisements
उत्तर
LPG: Liquefied Petroleum Gas
CNG:Compressed Natural Gas
APPEARS IN
संबंधित प्रश्न
The mass per unit volume of a substance is called density.
(density = mass/volume).
Arrange the following in order of increasing density-
air, exhaust from chimneys, honey, water, chalk, cotton and iron.
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Give reasons:
A gas exerts pressure on the walls of the container.
Give a reason for the following observation.
We can get the smell of perfume sitting several metres away.
Which of the two diffuses faster : a liquid or a gas?
Why do gases diffuse very fast?
Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
Why does a gas fill a vessel completely?
Comment upon the following:-
fluidity
Which of the following is false for gases?
