Advertisements
Advertisements
प्रश्न
Define Matter.
Advertisements
उत्तर
Anything that has mass and occupies space is called matter.
APPEARS IN
संबंधित प्रश्न
State three main characteristics of the particles of matter.
Give reason Pure substances have fixed melting or boiling point .
Name the phenomenon which causes the Formation of water vapour from water is
Give two examples for the following :
Substances which sublime.
The molecules of each substance are identical.
Write your observation and conclusion for the following:
When a small stone is gently dipped into a glass filled with water.
Give reason :
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Differentiate between the following:
Atoms and molecules
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms, very closely packed | A: Solids |
| 2. Interparticle space is maximum | B: Liquids |
| 3. Force of attraction between particles is very weak | C: Gases |
| 4. Movement of particles is about their own position | |
| 5. Particles in the state of matter are slightly compressible and not closely packed. |
