Question

Differentiate between the following.
1. Physical and chemical changes
2. Periodic and non-periodic changes

Can you Plz answer this question!​

Answer 1

Answer:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

Periodic changes Events that repeat themselves after a fixed period of time and whose occurence can be predicted are called periodic changes.

non periodic changes The events that do not repeat themselves after regular interval of time are called non periodic changes.

Answer 2

So first of for physical and chemical changes
1) Physical changes
a) They don’t produce a new product
b) they are reversible
2) Chemical changes
a) they produce a new product
b) They are irreversible




Now for periodic and non-periodic changes
1) periodic changes
a) they keep repeating
b) they only happen once

Plz ,ark as brainiest ,help me out man plzzz