Chemical and Biological Changes
IMPORTANT
Chemical and Biological Changes: Overview
This topic covers concepts such as Chemical Changes Due to Heat, Biological Changes Due to Heat, etc.
Important Questions on Chemical and Biological Changes
EASY
IMPORTANT
What happens when water is added to sulphuric acid?

MEDIUM
IMPORTANT
Why do milk gets stale in summer very easily?

EASY
IMPORTANT
Cotyledons are also called-
