Dissolving in Water Quiz

Which of the following materials is likely to dissolve more easily in hot water than in cold water?

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When mixing a solid with water, what happens to the solid if it dissolves?

• It becomes a gas.

• It forms a solution with the water.

• It remains unchanged and floats.

Which of the following statements is TRUE about solids that do not dissolve in water?

• They will change color.

• They will remain separate from the water.

• They will dissolve slowly in hot water.

Why might you use hot water instead of cold water when you want to dissolve something quickly?

• Hot water is heavier than cold water.

• The heat can help break down the solid faster.

• Hot water is easier to pour.

Which of the following is an example of a solid that can dissolve in water?

• Glass

• Salt

• Metal

• Paper

What happens to sugar when you stir it in hot water?

• It stays the same

• It dissolves faster

• It floats on top

• It sinks to the bottom

What is the term used for a solid that mixes evenly with liquid?

• Mixture

• Solution

• Compound

• Element

Which of these liquids is the best example of a solution?

• Water

• Saltwater

• Oil

• Juice

When a solid does not dissolve in water, what is it called?

• Soluble

• Insoluble

• Solution

• Liquid

What is the term for a combination of two or more substances?

• Dissolve

• Solute

• Solution