Advertisements
Advertisements
प्रश्न
Give reason of Liquids have definite volume but no difinite shape.
Advertisements
उत्तर
The molecules of liquid are loosely packed and intermolecular force of attraction is small but number of molecules in it remain the same. Hence liquids have definite volume but no definite shape.
APPEARS IN
संबंधित प्रश्न
Give reason for the following.
Pure substances have fixed melting or boiling points.
Fill in the blank:
Liquids have no definite ............
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
Give reason of When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Fill in the blank
Molecules in a ________ are packed very closely.
When a beam of sunlight enters a room through a window, we can see tiny particles X suspended in a gas (or rather a mixture of gases) Y which are moving rapidly in a very haphazard manner.
- What could particles X be ?
- Name the gas (or mixture of gases) Y.
- What is the phenomenon exhibited by particles X known as ?
- What is causing the movement of particles X ?
- What conclusion does the existence of this phenomenon give us about the nature of matter ?
What are the two conditions for the interconversion of states of matter?
Each of the three states of matter has mass. Explain with the help simple experiments – that each state of matter has mass.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to density.
