Question

which two molecules are compounds?
NaHCO3
o3
Cl2
C8H18

Answer 1

Your question :- Which two molecules are compound

Option
i) $NaHCO_3$

ii)$O_3$

iii) $Cl_2$

iv) $C_8H_{18}$


Answer :-

Option (i) and (iv)

$NaHCO_3$ and $C_8H_{18}$



Hope it helps