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Item SC029003: Forming a white solid by mixing two clear liquids is an example of a chemical reaction.

Which of the following is an example of a chemical reaction?

  1. Water evaporating from a pot on a hot stove
  2. Sand being removed from sea water by filtration
  3. A spoonful of sugar dissolving in a glass of water
  4. A white solid forming when two clear liquids are poured together
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 2869
6–8
n = 1645
9–12
n = 1216
Male
n = 1376
Female
n = 1436
English
n = 2503
Other
n = 302
A. Water evaporating from a pot on a hot stove 19% 21% 15% 20% 17% 19% 19%
B. Sand being removed from sea water by filtration 9% 9% 9% 10% 8% 8% 15%
C. A spoonful of sugar dissolving in a glass of water 18% 19% 16% 17% 18% 17% 23%
D. A white solid forming when two clear liquids are poured together 54% 51% 59% 53% 56% 56% 43%