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9th Class Science Sample Paper Sample Paper - 5 Term - 1

  • question_answer
      (a) Write the correct sequence of steps taken for separating a mixture of ammonium chloride, sand and common salt. (b) In the reaction, which one will turn blue litmus red?

    Answer:

      (a) The sequence is sublimation, adding water, filtration and evaporation.                                                            (1) (b) NO2 gas turns blue litmus red.                                                                                                                                             (1)


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