Activity 2.2 NCERT Class 9 Science Is Matter Around Us Pure
Experiment to demonstrate A homogenous solution does not block the light while a colloidal or suspension block the light.
science class 9
Activity 2.1 NCERT Class 9 Science Is Matter Around Us Pure
Experiment to demonstrate a homogenous mixture can have variable colour intensity.
NCERT Science Class 9 Chapter 1 Matter in our Surroundings Exercise solution
NCERT Science Class 9 Chapter 1 Matter in our Surroundings Exercise solution.
Activity 1.14 NCERT Science Class 9
Experiment to demonstrate the rate of evaporation changes with the change in surface area, humidity and temperature.