PL don't give copy paste answers as there is no q relevant in your website I already checked
Q. Correct the following chemical formula
a) $M{g}_{2}C{O}_3$
b) $N{H}_{3}C{O}_3$
c) $Z{n}_{4}S{O}_2$
d) $NaS{O}_4$

Dear Student,

a) MgCO₃
b) (NH₄)₂CO₃
c) ZnSO₄
d) Na₂SO₄

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