1.
Option B
2.
Option B
3.
The three states of matter are solid, liquid and gases.
4.
Option D
5.
Solid is a state of matter that has a definite shape and a definite volume.
6.
The liquid is a state of matter that does not have a definite shape and but has a definite volume.
7.
The change of state of a substance from solid to liquid is called as melting.
8.
Option A
9.
Option A
10.
Option D
11.
Option A
12.
Option A
13.
Option A
14.
Boiling point of water is 100 degree Celsius.
15.
Gas is a state of matter that does not have a definite shape nor the definite volume.
16.
Matter is anything that has mass and occupies space.
17.
Option A
18.
Option A
19.
Option B
20.
Option A