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9th Class Science Sample Paper Sample Paper - 4 Term - 1

  • question_answer
      (a) 4 g of solute are dissolved in 36 g of water. What is the mass percentage of the solution? (b) How can we make a saturated solution unsaturated?

    Answer:

      (a) Mass percentage                                                                                                                                    (1)                 Here m = 4g, M= 36g                 Then, mass percentage                                                                                                                                                                          (1)                 (b) On heating or adding more solvent, saturated solution will become unsaturated.                                       (1)


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