Properties of Solutions and Acids

A liquid mixture in which particles can be seen and easily separated by settling or filtration is a ___.

• solution

• suspension

• solvent

• solute

How is a solute different from a solvent in a solution?

• The solute is present in a smaller amount

• The solute is present in a greater amount

• The solute is a solid and the solvent is a liquid

• The solute is a liquid and the solvent is a gas

When you add so much solute that no more dissolves, you have a ___.

• saturated solution

• unsaturated solution

• neutralization

• suspension

What is one way to increase the solubility of sugar in water?

• Heat the water

• Chill the water

• Increase the amount of sugar

• Decrease the amount of water

Tags

NGSS.MS-PS1-4

Which is a characteristic property of acids?

• They turn litmus paper red

• They turn litmus paper blue

• They taste bitter

• They do not react with metals

Acids are described as corrosive because they ___.

• turn litmus blue

• taste bitter

• “eat away” at other materials

• feel slippery

Which is a likely use for a base?

• as a vitamin in your food

• etching metals for printing

In a water solution, how do acids differ from bases?

• Acids form hydrogen ions (H+), while bases form hydroxide ions (OH-)

• Acids turn litmus blue, while bases turn litmus red

• Acids form salts, but bases do not

• Hydrogen ions (H+) remain dissolved, but hydroxide ions (OH-) do not

In water, bases form ____.

• hydroxide ions
• hydrogen ions

• hydrogen gas

• oxide ions

The pH scale measures ____.

• the strength of an acid

• the strength of hydrogen ions

• the concentration of hydrogen ions

• the concentration of an acid