Multiple choice

When cream is separated from milk

  1. the density of milk decreases

  2. the density of milk increases

  3. the density of milk remains unchanged

  4. it becomes more viscous
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Milk is an emulsion of fat globules in water. Cream has a lower density than skimmed milk, so when cream is removed, the remaining milk has a higher proportion of denser components, increasing its overall density.

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