Arrange zinc, copper and iron in decreasing order of the reactivity
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zinc , iron then copper
hope it helps
hope it helps
Answered by
16
Correct answer-
1)Zinc
2)Iron
3)Copper
Explanation-(Learn a very helpful mnemonic)
P-Potassium-Please
S-Sodium-Stop
C-Calcium-Calling
M-Magnesium-Me
A-Aluminium
Z-Zinc-Zebra
I-Iron-It's
L-LeadLike
Hg-Mercury-Hating
C-Copper-Cool
S-Silver-Smart
G-Gold-Guys
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