You have three molecules of glucose (3C6H12O6). How many carbon atoms do you have?
A. 3
B. 6
C. 18
D. 36
**MY answer: C. 18
Which of the following is a homogenous mixture of two or more pure substances?
A. oxygen
B. water
C. air
D. alcohol
**MY answer: D. alcohol
are they correct?
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