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प्रश्न
Comment upon the following:-
filling a gas container
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उत्तर
By filling a gas container we mean the attainment of the shape of the container by gas.
संबंधित प्रश्न
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Give reasons:
A gas fills completely the vessel in which it is kept.
Give reasons:
A gas exerts pressure on the walls of the container.
What does the diffusion of gases tell us about their particles?
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
A substance has neither a fixed shape nor a fixed volume. State whether it is a solid, a liquid or a gas.
The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume. If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume.
- Name the substances (i) X (ii) Y and (iii) Z.
- What is the process of conversion of X into Y known as ?
- At which temperature X gets converted into Y ?
- What is the process of conversion of X into Z known as ?
- At which temperature X gets converted into Z ?
How does the substance of gaseous particles change to a liquid state?
Which of the following is false for gases?
A gaseous mixture of He and O2 is found to have a density of 0.518 gL-1 at 25° C and 720 torr. The mass percent of helium in this mixture is ______.
