Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
This shows that gases can fill up all the space that they get, and they have neither a fixed shape nor a fixed volume. They have no free surfaces, either.
APPEARS IN
संबंधित प्रश्न
Write your observation and conclusion for the following:
When one of the balloons suspended to the metre scale is punctured while other remains inflated ?
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
Match the columns.
| (1) iron and gold | (a) molecules are very far apart |
| (2) melting | (b) pure substance |
| (3) intermolecular space | (c) non - metals |
| (4) compound | (d) the space between the molecules |
| (5) gases | (e) change from solid to liquid |
| (f) metals |
All kinds of matter
- occupy space and have definite mass
- have mass and definite shape
- can change their states
- have definite volume
Define the following term of Molecule .
Give reason of The odour of scent spreads in a room.
Fill in the blank.
Water is a matter because it has mass and occupies _______
State in which of the following examples ie. a piece of wood, water, light gas is the Inter-particle attraction maximum.
Select the correct answer from A, B, C, D & E for the statement given below:
The state of matter, where the inter-particle attraction between particles is maximum.
200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be ______.
