Advertisements
Advertisements
प्रश्न
Arrange the following substances in increasing order of forces of attraction between particles -
water, sugar, oxygen
Advertisements
उत्तर
- Sugar is a solid; the forces of attraction between the particles of sugar are strong. Water is a liquid; the forces of attraction here are weaker than sugar. Oxygen is a gas; the forces of attraction are the weakest in gases.
- Thus, the increasing order of forces of attraction between the particles of water, sugar and oxygen is
- Oxygen < Water < Sugar.
APPEARS IN
संबंधित प्रश्न
The mass per unit volume of a substance is called density.
(density = mass/volume).
Arrange the following in order of increasing density-
air, exhaust from chimneys, honey, water, chalk, cotton and iron.
Tabulate the differences in the characteristics of states of matter.
Give reasons:
A gas fills completely the vessel in which it is kept.
Give reasons:
We can easily move our hand in air, but to do the same through a solid block of wood, we need a karate expert.
Which of the two diffuses faster : a liquid or a gas?
Fill in the following blank with suitable words :
Solid, liquid and gas are the three ........................ of matter.
Give two reasons to justify that Water is a liquid at room temperature.
Give one example of diffusion of gases in a liquid.
Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.
Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
