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

  • question_answer   Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows:  
    Metal Iron(II) sulphate Copper(II) sulphate Zinc sulphate Silver nitrate
    A B C D No reaction Displacement No reaction No reaction Displacement ? No reaction No reaction - No reaction No reaction No reaction - - Displacement No reaction
    Use the table above to answer the following questions about metals A, B, C and D. (a) Which is the most reactive metal? (b) What would you observe if B is added to a solution of copper(ii) sulphate? (c)Arrange the metals A, B, C and D in the order of decreasing reactivity. [NCERT]

    Answer:

                      (a) B is most reactive. (b) B will displace copper from copper (II) sulphate. (c) B > A > C > D.


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