Maharashtra State PSC 2021 Solved Paper

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Question : 67 of 100

Marks: +1, -0

In CaO, so as to achieve the stable octate:

Ca atom transfer its two valence electrons to the same oxygen atom
Ca atom transfer its one valence electron to the same oxygen atom
Oxygen atom transfer its two valence electrons to the same calcium atom
Oxygen atom transfer its one valence electron to the same calcium atom

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