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3. Metals and Non-metals
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Which of the following pairs will give displacement reactions ?
A
$NaCl$ solution and copper metal
B
$MgCl_{2}$ solution and aluminium metal
C
$FeSO_{4}$ solution and silver metal
D
$AgNO_{3}$ solution and copper metal
Solution
$AgNO_{3}$ solution and copper metal
Standard 10
Science
Similar Questions
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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