Exploring Matter and Solutions Quiz

Compare and contrast elements and compounds in terms of their chemical symbols and chemical formulas.

• Elements have chemical formulas, while compounds have chemical symbols.

• Elements have chemical symbols, while compounds have chemical formulas.

• Both elements and compounds have chemical symbols.

• Both elements and compounds have chemical formulas.

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DOK Level 2: Skill/Concept

Which of the following is a chemical formula for a compound?

• H

• O

• N

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DOK Level 1: Recall

• 1

• 2

• 3

• 4

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DOK Level 1: Recall

• 1

• 2

• 3

• 4

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DOK Level 1: Recall

Which of the following is an example of a physical change?

• Rusting of iron

• Burning of wood

• Melting of ice

• Baking a cake

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DOK Level 1: Recall

Distinguish between a physical and a chemical change: Dissolving sugar in water.

• Physical change

• Chemical change

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DOK Level 2: Skill/Concept

In an aqueous solution, what is the term for the substance that is dissolved?

• Solvent

• Solute

• Solution

• Concentration

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DOK Level 1: Recall

Describe the effect of increasing the surface area of a solute on the rate of dissolution in an aqueous solution.

• It decreases the rate of dissolution.

• It has no effect on the rate of dissolution.

• It increases the rate of dissolution.

• It changes the solute into a solvent.

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DOK Level 2: Skill/Concept

What happens to the concentration of a solution when more solute is added?

• The concentration decreases.

• The concentration increases.

• The concentration remains the same.

• The solution becomes a solvent.

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DOK Level 1: Recall

Which of the following best describes the role of agitation in the dissolution process?

• Agitation decreases the rate of dissolution.

• Agitation has no effect on the rate of dissolution.

• Agitation increases the rate of dissolution.

• Agitation changes the solute into a solvent.

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DOK Level 2: Skill/Concept