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Which one are only compounds? *

a. Steam (H2O), blood, mercury (Hg)
b. Iron (II) sulfide (FeS), Calcium oxide (CaO), Salt (NaCl)
c. Steel, milk, Chlorine gas (Cl2)
d. Gold (Au), bromine gas (Br2), Iodine gas (I2)

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Respuesta :

paulos

c, steel , milk, chlorine gas because all the other choices has a metal.

raavikumar805

Answer:

steel milk because it has the compounde

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