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10th Class Science Chemical Reactions and Equations Question Bank 10th CBSE Science Chemical Reactions and Equations

  • question_answer
                                                    Complete the missing components/variables given as x andy in the following reactions: (i) Pb(NO3)2(ag) + 2Kl(aq) ® Pbl2(x) + 2KNO3(y) (ii) Cu(s) + 2AgNO3(ag) ® Cu(NO3)2(aq)+x(s)                 (iii) Zn(s) + H2SO4(ag) ® ZnSO4(x) + H2(y)                 (iv)                                                                  [NCERT Exemplar]

    Answer:

                      (i) x?(s);y?(aq)                              (ii) x?2Ag                 (ii) x ? (aq); y ? (g)        (iv) x ? Heat


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