Question

1. How are various changes classified?​

Answer 1

Answer:

A change is said to be physical if no new substances are formed. Physical changes are temporary and can easily be reversed to give back the substances in their previous form. Freezing of water is an example of a physical change. A change is said to be chemical if new substances with different properties are formed.

Explanation:

mark as brainlist please please please please follow me also thanks for my answer

Answer 2

Answer:

A change is said to be irreversible if the substance cannot be brought back to its original form. Rusting of iron and growth of a plant are examples of irreversible changes. Physical and chemical changes: A change is said to be physical if no new substances are formed.

hope it helps you my frnd and mark me as brainlist and follow me and thanks my answers