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?


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

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