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Standard XII
Chemistry
Redox Reactions
Question

In the process of burning of magnesium in air, magnesium undergoes :
  1. reduction
  2. all of these
  3. sublimation
  4. oxidation

A
reduction
B
oxidation
C
all of these
D
sublimation
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Solution
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Magnesium when burn with air it undergoes oxidation by accepting oxygen atom and forms magnesium oxide.
2Mg+O2→2MgO

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