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9th Class Science Is Matter Around Us Pure Question Bank 9th CBSE Science Is Matter Around Us Pure

  • question_answer
      What would you observe when (a) a saturated solution of potassium chloride prepared at 60°C is allowed to cool at room temperature? (b) an aqueous sugar solution is heated to dryness? (c) a mixture of iron filings and sulphur powder is heated strongly?               [NCERT Exemplar]  

    Answer:

         (a) Solid potassium chloride will separate   out. (b) Initially the water will evaporate and then sugar will get charred. (c) Iron sulphide will be formed.


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