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Which one are only the elements?

a. Nitrogen gas (N2), Carbon dioxide (CO2), Sulfur dioxide (SO2)

b. Steel, milk, Chlorine gas (Cl2)

c. Aluminium (Al), iron (Fe), Sulfur (S)

d. Steam (H2O), Sulfuric acid (H2SO4), Iodine gas (I2)

1 Answer

5 votes

Answer:

i think it's C

Step-by-step explanation:

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