CTET 2 Math and Science 21 Dec 2021 Paper

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Question : 72 of 150
 
Marks: +1, -0
Following table represents the type of reactions of three metals with various solutions.
Metal
lron (II) Sulphate
Copper (II) Sulphate
Zinc Sulphate
A
No reaction
Displacement
Not known
B
No reaction
No reaction
No reaction
C
Displacement
Not known
No reaction
Which of the following represents the correct order of reactivity of metals A, B, C
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