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

  • question_answer   Write equations for the reactions of (i)  iron with steam. (ii) calcium and potassium with water.    [NCERT]

    Answer:

                      (i) 3Fe(s) + 4H2O(g) Fes3O4(s)+ 4H2(g) (ii) Ca(s) +2H2O(l)Ca(OH)2(aq) + H2(g) 2K(s) + 2H2O(l)2KOH(aq) + H2(g)


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