Question

Name the following?

A man-made physical change?

Answer 1

Man-made physical change:

• The changes that occur due to the action of human beings are called man­ made changes. For example, the construction of bridges and roads.
• A type of change in which the chemical composition of the substance remains the same is known as physical change. For example, melting of ice, and evaporation of water.

Example of Man-made physical change:

• Boiling water
• Mixing sand with water
• Dissolving salt in water