What is meant by a substance?

Answer:

A substance is a matter that has definite properties and composition. Every pure compound and element is a substance.

Properties of Substance

• A substance is a pure single form of matter.
• It cannot be separated into other kinds of matter by any physical process.
• The substance must be composed of atoms and molecules
• The substance must have a particular amount of weight, mass and volume.

Few examples of substance are

1. Sugar
2. Sodium chloride.
3. Iron.