Test Review – Solutions & Acids / Bases

What term describes a substance in solution that conducts an electric current?

• Electrolyte

• Solvent

• Insulator

• Colloid

Tags

NGSS.HS-PS2-5

In order to conduct electricity, a solution must contain ________________.

• ions

• molecules

• atoms

• electrons

Tags

NGSS.HS-PS2-5

If a substance dissolved in water does not conduct an electric current, then it is called a ________________.

• nonelectrolyte

• electrolyte

• conductor

• semiconductor

What are 3 things you can do to increase the rate of dissolving a solid in water?

Tags

NGSS.HS-PS1-5

The rule “like dissolves like” is used to predict: phases, reactivity, equilibrium, or solubility?

• solubility

• phases

• reactivity

• equilibrium

Name a polar solvent. What types of things will dissolve in that solvent?

• Water; polar and ionic substances

• Hexane; nonpolar substances

• Oil; nonpolar substances

• Benzene; nonpolar substances

Pressure has the greatest effect on the solubility of ________________.

• gases

• solids

• liquids

• alloys

How can you dissolve the maximum amount of gas in a solution?

• Increase pressure and decrease temperature

• Decrease pressure and increase temperature

• Increase pressure and increase temperature

• Decrease pressure and decrease temperature

What is the name of Ca(OH)₂?

• Calcium hydroxide

• Calcium oxide

• Calcium carbonate

• Calcium sulfate

Who will dissolve the fastest: sugar cubes in cold water, sugar cubes in hot water, powdered sugar in cold water, powdered sugar in hot water?

• sugar cubes in cold water

• sugar cubes in hot water

• powdered sugar in cold water

• powdered sugar in hot water

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4