According to order of reactivity series sodium can displace ___________ metals form metal salt solutions.
A
Calcium
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B
Magnesium
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C
Iron
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D
All of these
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Solution
The correct option is C All of these The reactivity series is a list of metals arranged in the order of their decreasing activities. Sodium is the second metal of activity series so it can displace calcium, magnesium and iron because all of them come after sodium in activity series.