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Class 10 - Science - Metals and Non-metals

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Metals and Non-metals

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.

Metal

Iron (II) sulphate

Cooper (II) sulphate

Zinc sulphate

Silver nitrate

A.

No reaction

Displacement

B.

Displacement

No reaction

C.

No reaction

No reaction

No reaction

Displacement

D.

No reaction

No reaction

No reaction

No reaction

Use the Table above to answer the following questions about metals A, B, C and D.

(i) Which is the most reactive metal?

(ii) What would you observe if B is added to a solution of copper (II) sulphate?

(iii) Arrange the metals A, B, C and D in the order of decreasing reactivity.

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