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BSc Nursing GNM 2020 Solved Paper

Question : 130

Total: 200

Higher plants obtain nitrogen from soil that has

Six forms (NO3,NO2,N2O2,N2,, NH2OH,NH3 ) of nitrogen with oxidation number ranging from +5 to −3
Six forms (NO3,NO2,N2O2,N2,, NH2OH,NH3 ) of nitrogen with oxidation number ranging from +6 to −3
Four forms (NO3,NO2,NH2OH,NH3) of nitrogen with oxidation number ranging from +5 to −3
Six forms (NO3,NO2,N2,NH2,, OH2,NH3 ) of nitrogen with oxidation number ranging from +6 to −3

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