Matter in Our Surroundings MCQ / Objective questions Chapter 1 Class 9 Science with answers and explanation.
Matter In Our Surroundings
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.