Multiple Choice Question Answer IV — task. Science CBSE, Class 9.

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1. How many moles of magnesium phosphate,\( Mg_3(PO_4)_2\) will contain 0.25 mole of oxygen atoms?

2. The number of g-atom of oxygen in \(6.02\) × \(10^2{^4}\) CO molecules is

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4. Multiple Choice Question Answer IV