Problem: Consider the following substance I. saline IV solution II. salt (NaCl) III. aluminum foil IV. salad dressing Which of the following is true? A) I and III are pure substances, IV is a homogeneous mixture. B) I and II are homogeneous mixtures C) Both II and III are pure substances, I is a homogeneous mixture D) None of the above is true
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Problem Details
Consider the following substance
I. saline IV solution
II. salt (NaCl)
III. aluminum foil
IV. salad dressing
Which of the following is true?
A) I and III are pure substances, IV is a homogeneous mixture.
B) I and II are homogeneous mixtures
C) Both II and III are pure substances, I is a homogeneous mixture
D) None of the above is true
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