Advertisements
Advertisements
प्रश्न
Explain the meaning of the term matter with special reference to the term ‘substance’.
Advertisements
उत्तर
Matter refers to anything that has mass, occupies space, and can be felt by the senses. A substance is a type of matter with a consistent chemical composition and characteristic properties.
APPEARS IN
संबंधित प्रश्न
The smallest unit of matter that exists freely in nature is called ...........
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
State two characteristics of matter demonstrated by Brownian motion.
What is the general name of the materials which contain at least two pure substances and show the properties
of their constituents ?
The three important metalloids are.............................. and ..........................
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
Which one of the following is not a metalloid ?
Define solubility of a substance. How does it vary with temperature ?
What is a suspension ? Give two examples of suspensions.
One of the following liquids will leave behind a residue on heating. This one is :
What is the general name of the process by which tea-leaves are separated from prepared tea ?
Name the process which can be used to purify an impure sample of copper sulphate.
Describe a method to separate a mixture of camphor and sand.
Stars including Sun are covered in ______.
A standard sheet of paper is about ______ of atoms thick
You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?
Give some examples of the Tyndall effect observed in your surroundings?
Liquids cannot be compressed and they have fixed volume.
The phenomenon of Evaporation takes place at the ______ of a liquid.
Give an example of liquid in gas.
