Solutions Test Quizizz

Which of the following best describes a mixture?

• A substance made of two or more elements chemically combined in a fixed ratio.

• A combination of two or more substances that are not chemically bonded.

• A substance that cannot be broken down into simpler substances.

• A substance made of atoms of the same element with different numbers of neutrons.

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DOK Level 2: Skill/Concept

Dyes in water soluble markers may be separated by means of..

• crystallization

• distillation

• chromatography

• filtration

What method of separation would work best to separate water and salt?

• filtration

• chromatography

• evaporation

• distillation

Which of of these mixtures could be separated by filtration?

• sand and salt

• sand and water

• milk and water

• sugar and water

What is the definition of a solution in chemistry?

• A solid substance formed by the reaction of two liquids

• A mixture of substances that can be separated by filtration

• A gas produced by the combination of two elements

• Homogeneous mixture composed of two or more substances

What is the difference between a solute and a solvent in a solution?

• Solute is the substance that remains unchanged in a solution, and solvent is the substance that undergoes a chemical change.

• Solute and solvent are interchangeable terms for the same substance in a solution.

• Solute is the substance being dissolved, and solvent is the substance doing the dissolving.

• Solute is the substance doing the dissolving, and solvent is the substance being dissolved.

Which would form a concentrated solution?

• Magnesium carbonate

• Sodium carbonate

• Barium carbonate

• Aluminum carbonate

Which is insoluble?

• CaSO₄

• MgSO₄

• LiNO₃

• NaNO₃

What phase notation indicates an insoluble compound?

• (s)
• (aq)
• (g)
• (l)

What phase notation indicates a water soluble compound?

• (s)

• (aq)

• (g)

• (l)

Answer explanation

aq means aqueous... dissolved in water.