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

  • question_answer   A yellow coloured powder X is soluble in carbon disulphide. It burns with a blue flame forming suffocating smelling gas which turns moist blue litmus red. Identify X and give chemical reaction. Identify it is metal or non-metal.

    Answer:

                      Yellow coloured powder X which is soluble in  is sulphur.                                                  (1) Sulphur burns in oxygen to give sulphur dioxide gas which is suffocating smelling gas.                       (1)  gas turns moist blue litmus red. This shows that the gas is acidic in nature . Hence, S is a non-metal.                                                    (1)


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