UPSC NDA II 2011 General Ability Paper
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Question : 120 of 150
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In oxidation
1. hydrogen is displaced from a substance.
2. an electropositive element is added to or proportion of electropositive element increases in a substance.
Select the correct answer using the code given below:
1. hydrogen is displaced from a substance.
2. an electropositive element is added to or proportion of electropositive element increases in a substance.
Select the correct answer using the code given below:
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