Class 9th Science Question paper

CHAPTER 2 Class 9th- IS MATTER AROUND US PURE?

Multiple Choice Questions 1. Which of the following statements are true for pure substances? i. Pure substances contain only one kind of particles ii. Pure substances may be compounds or mixtures iii. Pure substances have the same composition throughout iv. Pure substances can be exemplified by all elements other than nickel (a) (i) and (ii) …

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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 …

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