10th Class Science Metals and Non-metals Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer   Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it, as shown in figure below.            (a) What will be the action of gas on (i) dry litmus paper (ii) moist litmus paper? (b) Write a balanced chemical equation for the reaction taking place.  


                      (a) (i) No effect on dry litmus paper. (ii) Blue (moist) litmus turns red by the effect of gas as  is acidic in nature.     (2) (b)         (1)

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