In oxidation 1. Hydrogen is displaced from a substance. 2. an electropositive clement 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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Q: 70 (NDA-II/2011)
In oxidation
1. Hydrogen is displaced from a substance.
2. an electropositive clement 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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question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,0,12,0,2,10,0

keywords: 

{'electropositive element increases': [0, 0, 0, 1], 'oxidation': [0, 0, 1, 0], 'electropositive clement': [0, 0, 0, 1], 'hydrogen': [0, 0, 1, 3], 'substance': [2, 1, 7, 7], 'proportion': [1, 1, 2, 8]}