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CBSE Class 10 Science Question 29 of 60

Solved 2022 Term 1 Question Paper CBSE Class 10 Science — Question 5

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Question 29

The pair(s) which will show displacement reaction is/are

(i) NaCl solution and copper metal

(ii) AgNO3 solution and copper metal

(iii) Al2(SO4)3 solution and magnesium metal

(iv) ZnSO4 solution and iron metal

  1. (ii) only
  2. (ii) and (iii)
  3. (iii) and (iv)
  4. (i) and (ii)
Answer

(ii) and (iii)

Reason — AgNO3 solution and copper metal will give displacement reaction where copper being more reactive than silver, displaces it from silver nitrate . Similarly, Al2(SO4)3 solution and magnesium metal will give displacement reaction where magnesium being more reactive than aluminium, displaces it from aluminium sulphate.