Solutions

The other component of a solution is the part that does the dissolving. What is the name of this component?

• solvent
• solution
• solute
• oxidation

A solution consists of two parts. One part is the substance that is dissolved. What is the name of this part of a solution?

• solvent
• solution
• solute
• oxygen

When two liquids mix, they are said to be....

• insoluble
• miscible
• soluble
• immiscible

When a substance can dissolve in another substance, it is said to be..

• soluble
• insoluble
• miscible
• immiscible

Changing the temperature and pressure affects which of the following?

• the concentration of an unsaturated solution
• the polarity of the solvent needed to dissolve a solute
• the solubility of a solute in a particular solvent
• none of these

The solubility of gases is lower in ___ temperatures

• constant
• higher
• lower
• absolute zero

A beaker containing 80 grams of lead(II) nitrate, Pb(NO₃)₂, in 100 grams of water has a temperature of 30 ºC. Approximately how many grams of the salt are undissolved, on the bottom of the beaker?

• 20 grams
• 80 grams
• 66 grams
• 14 grams

Which salt is LEAST soluble at 0 ºC?

• K₂Cr₂O₇
• KNO₃
•  KClO₃
• Ce₂(SO₄)₃

How many grams of sodium nitrate, NaNO₃, are soluble in 100 g of water at 10 ºC?

• 80 grams
• 100 grams
• 40 grams
• 10 grams

When 50 grams of potassium chloride, KCl, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated
• unsaturated
• saturated