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

  • question_answer   A, B and C are 3 elements which undergo chemical reactions according to following equations (i) (ii) (iii) Answer the following (a) Which element is most reactive? (b) Which element is least reactive?


                      (a) Most reactive metal is B as it has replaced both A and C from their compounds. (b) Element C is least reactive as it has been replaced by both A and B.                              (3)

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