CHAPTER – 1 MATTER IN OUR SURROUNDINGS (Class 9th)
Multiple Choice Questions 1. Which one of the following sets of phenomena would increase on raising the temperature? (a) Diffusion, evaporation, compression of gases (b) Evaporation, compression of gases, solubility (c) Evaporation, diffusion, expansion of gases (d) Evaporation, solubility, diffusion, compression of gases 2. Seema visited a Natural Gas Compressing Unit and found that the …
CHAPTER – 1 MATTER IN OUR SURROUNDINGS (Class 9th) Read More »