Advertisements
Advertisements
प्रश्न
What is the physical state of water at 100ºC?
Advertisements
उत्तर
- At 100°C both liquid and gaseous states are present. These are in a state of equilibrium.
- So, at 100°C both liquid water and vapours are present.
APPEARS IN
संबंधित प्रश्न
Name the smallest particle from which matter is made up.
Give reasons
A gas fills up the space available to it.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
To identify materials of common use
Procedure – Just move around in your house – in the drawing room, sitting room, bedroom, kitchen, bathroom etc. Identify the things and All in the blanks in the table given below
| No. | Place | Name of the thing | Material used for making the thing |
| 1 | Study room | ||
| 2 | Drawing room | ||
| 3 | Kitchen | ||
| 4 | bathroom | ||
| 5 | Any other place |
State the main physical properties of matter.
Matter in any state is composed of particles. Compare the three states of matter i,e. solids, liquids, and gases with reference to:
(a) intermolecular space
(b) the intermolecular force of attraction
(c) movement of particles
Describe simple experiments to prove that liquids have mass
A rubber ball changes its shape on pressing. Can it be called a solid?
Identify the state of matter based on the arrangement of the molecules.
The feather and paper cup can float on the water.
