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  3. 10th Class
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10th Class Science Sample Paper Sample Paper - 4 Term - 1

  • question_answer
      A blue litmus paper was first dipped in dil. HC1 and then in dil. NaOH solution. What change in colour of litmus paper you will observe?

    Answer:

      A blue litmus paper was first dipped in dil. HC1 and then in dil. NaOH solution. The colour of litmus paper became first red and then blue.                                                                                                                                                


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