Advertisements
Advertisements
प्रश्न
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
Advertisements
उत्तर
Air is a matter because it has weight, mass and space and it can be compressed.
APPEARS IN
संबंधित प्रश्न
Give reasons:
Liquids can flow
Define the following terms.
Atom
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.
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
All kinds of matter
- occupy space and have definite mass
- have mass and definite shape
- can change their states
- have definite volume
When a stone is dipped in a glass containing some water, the level of water rises but when a spoon of sugar is added to it and stirred, the water level does not rise?
Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?
On what basis are the three states classified of matter.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free surfaces.
Give a reason why solids and liquids co-exist at their melting points.
