Question 3. 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.
(i)Which is the most reactive metal?
Answer: B is most reactive metal.
Answer: B is most reactive metal.
(ii) What would you observe if B is added to a solution of Copper (II) sulphate?
Answer: B will displace copper from copper sulphate.
Answer: B will displace copper from copper sulphate.
(iii) Arrange the metals A, B, C and D in the order of decreasing reactivity.
Answer: Arrangement of metals in the order of decreasing reactivity B>A>C>D
Answer: Arrangement of metals in the order of decreasing reactivity B>A>C>D
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