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Answer:
The answer is b. mixing ice cubes with water. Here's why:
- Solutions are homogeneous mixtures where one substance (the solute) dissolves completely into another substance (the solvent).
- Ice cubes in water don't form a solution because the ice cubes are a solid, and they don't dissolve into the water. They simply cool the water.
Let's look at the other options:
- a. preparing a salad dressing: Salad dressings often involve oil and vinegar, which don't mix completely, making it a heterogeneous mixture, not a solution.
- c. preparing a glass of iced tea: Iced tea is a solution because the tea leaves or powder dissolve in the water.
- d. adding a spoonful of sugar in water: Sugar dissolves in water, forming a homogeneous mixture, which is a solution.