Advertisements
Advertisements
प्रश्न
Describe simple experiments to prove that liquids have a definite volume
उत्तर
have a definite volume
Experiment: A liquid in a measuring cylinder can be poured into any container. The volume of liquid in the container is the same as that in the measuring cylinder.
Observation: The volume of liquid in the container, is the same as that in the measuring cylinder. Hence, all liquids have a definite volume.
संबंधित प्रश्न
What are molecules?
What are fluids? Give two examples
Give reasons
The odour of scent spreads in a room.
Give reasons
We can walk through air.
Give reasons
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar
Fill in the blanks:
Any matter which has a definite ______ but no definite shape is called a ______.
Describe simple experiments to prove that solids have mass
Match the following.
| Srl. no. | A | B | C |
| i | Separation of visible undesirable components | Water mixed with chalk powder | Magnetic Separation |
| ii | Separation of heavier and lighter components | Sand and water | Decantation |
| iii | Separation of insoluble impurities | Iron impurities | Filtration |
| iv | Separation of magnetic components from non-magnetic components | Rice and stone | Hand-picking |
| v | Separation of solids from liquids | Husk and paddy | Winnowing |
The tendency of particles to spread out in order to occupy the available space is ______.
The density of solid Argon is 1.6 ml at - 233°C. If the Argon atom is assumed to be sphere of radius 1.5 × 10-8 cm, then the ______ % of solid Argon is apparently occupied.
[Take : NA = 6 × 1023, Atomic mass of Ar = 40]
