NCERT Science Class 9 Chapter 1 Matter in our Surroundings Exercise solution
NCERT Science Class 9 Chapter 1 Matter in our Surroundings Exercise solution.
NCERT Science Class 9 Chapter 1 Matter in our Surroundings Exercise solution.
Experiment to demonstrate the rate of evaporation changes with the change in surface area, humidity and temperature.
Experiment to demonstrate sublimation and deposition in camphor and ammonium chloride.
Experiment to demonstrate conversion of the physical state of a matter into another physical form by temperature