Engineering
Chemistry
Alkali Metals and Properties
Alkene
Oxides Peroxides Superoxides and Hydroxide
Question

Magnesium powder burns in air to give:

MgO and Mg(NO3)20

MgO only

Mg(NO3)2 and Mg3N2

MgO and Mg3N2

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Solution

Mg+O2+N2⏟Air→MgO+Mg2N3