Ethan was assigned by her teacher to match compound with its constituent elwments.Which do you think of his matched pair are correct?

I.salt:sodium,chloride ll.water:hydrogen oxygen

lll.caRbon dioxide: carbon,oxygen lV.silicon dioxide:sulfur,hydrogen
A.l&ll only C.l,ll,lll,lV
B.lll&lV D.All match pair are correct
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