2. Questions Bank
  3. 10th Class
  4. Science
  5. Metals and Non-metals / धातु और अधातु

10th Class Science Metals and Non-metals / धातु और अधातु Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer
      Of the three metals X, Y and Z, X reacts with cold water, Y with hot water and Z with steam only. Identify X, Y and Z and also arrange them in order of increasing reactivity.  [NCERT Exemplar]

    Answer:

                      X is alkali metal, Na or K. Y is alkaline earth metal, Mg or Ca. Z is Fe. Increasing reactivity series: Na > Mg > Fe.


You need to login to perform this action.
You will be redirected in 3 sec spinner