Which equation demonstrates the law of conservation of mass? A. C + 02- C20
B. H2SO4 + Zn – 4ZnSO + H2
c. Mg + S - MgS2
D.2H2 + O2 – 2H20
Please help ASAP !

true

hope that

a polar bond is formed when electrons are shared unevenly between atoms

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be