Który zestaw zawiera tylko alkany? C2H4, C5H12, C8H18, C2H6, C5H12, C8H18, C2H6, C5H10, C8H14, C2H4, C5H10, C8H16
Który zestaw zawiera tylko alkany?
C2H4, C5H12, C8H18,
C2H6, C5H12, C8H18,
C2H6, C5H10, C8H14,
C2H4, C5H10, C8H16