A change which can be reversed or moved backwards to get the original substance is called:
Reversible change
Irreversible change
Physical change
Chemical change
Matter is made of very tiny particles called:
Molecules
Atom
Solvent
Solute
The process of a liquid state of matter changing into solid on cooling is called :
Melting
Freezing
Evaporation
Condensation
Which has no definite shape or volume?
Solid
Liquid
Gas
Fluids
The shape of which of the following changes, when force is applied?
Vapour
Which are also called fluids?
A change in which a substance changes into a new substance with different properties is called:
Which should be kept in closed containers?
Combustion is an example of :
Which is known as universal solvent?
Water