Which of the following can be classified as a pure compound?

Choose one answer. a. iodine, I2
b. sugar, C12H22O11
c. mercury, Hg
d. alcohol in water, C2H5OH in H2O
e. carbon, C

2 answers

I2 is an element.
Sugar is a compound.
Mercury is an element.
Alcohol in water is a compound in another compound but neither one is pure since they are mixed.
Carbon is an element.
Alcohol in water is a compound in another compound but neither one is pure since they are mixed.