Properties of Gases
Trending Questions
Give reasons
A gas fills completely the vessel in which it is kept.
Why do gases have neither a fixed shape nor a fixed volume ?
Explain why solids have fixed shape but liquids and gases do not have fixed shape
Seema visited a natural gas compressing unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions.
Low temperature, low pressure
High temperature, low pressure
Low temperature, high pressure
High temperature, high pressure
Name the physical state of matter which can be easily compressed.
Do liquids have a fixed volume?
A gas which obeys the ____________ under all conditions of temperature and pressure is called an ideal gas.
PV=nRT
PV=kT
P=v/T
PV=nKT
Explain why, a small volume of water in a kettle can fill a kitchen with steam .
Why do gases fill the containers completely in which placed?
The arrangement of particles is less ordered in the
What is the collective noun for dust?
Gases occupy all the space available to them. Why?
- low inflammability
- high density
- high compressibility
- easy availability
Why do gases behave ideally at low pressure?
Which of the following is not a property of a gas?
The gases have very high compressibility. On applying pressure, gas molecules come closer and decrease the volume of a gas.
Gases can expand to fill the containers.
Gases have a specific shape or volume.
They are less denser than solids or liquids.
Which of the three states of matter has maximum compressibility?
Air has maximum compressibility. Why?
Why does a gas exert pressure on the walls of a vessel in which it is kept?
Can an LPG cylinder be half filled? Apply reason and guess the answer.
Different gases expand differently when heated to a given rise in temperature.
- True
- False
Pick the odd one out: Carbon dioxide, oxygen, nitrogen. LPG
(a) Why does a gas exert pressure?
(b) Why does a gas fill a vessel completely?
(c) Why are gases so easily compressible whereas it is almost impossible to compress a solid or a liquid?
The random movement of particles is the most in:
Solid
Gas
Liquid
Liquid and Solid
The number of molecules per unit volume in a gas is _______ compared to solids and liquids.
Much higher
Moderat
Moderatly high
Much lower
Give reasons
A gas fills completely the vessel in which it is kept.
Explain, Why
(i) volume of a gas is always equal to the volume of container in which it is held?
(li) gases can be liquefied?
Which of the three states—solid, liquid, gas, can be easily compressed ?
Explain the arrangement of molecules in gasses?
Among iron, chalk and wood, iron is hard to break. It is because
