Advertisements
Advertisements
प्रश्न
Fill in the blank
A solid exerts pressure .....................
उत्तर
A solid exerts pressure downwards on its base.
APPEARS IN
संबंधित प्रश्न
The melting point of ice is 0°C.
How do the solids, liquids, and gases differ in their following properties.
(a) Size
(b) Shape
(c) Density
Describe the molecular model for a liquid. I-low does it explain that a liquid has no definite shape, but has a definite Volume?
State the general properties of a solid.
Give a reason for the Pure substances have fixed melting or boiling points.
Fill in the blank
Liquids have a definite ............
Fill in the blank
The temperature at which a liquid boils is called the ................. point of that liquid.
What is meant by the inter-molecular forces of attraction ?
Fill in the blanks:
Water is a matter because it has ______ and occupies ______.
State the correct term from A, B, C, D, E, or F in List II which represents the change of state of matter or its relevant property from List I.
| List I | List II |
| 1. Solid 'X' to a Liquid 'X' | A: Condensation |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Freezing |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting point |
| F: Boiling point |
