People often put sugar in their tea to make it sweet. Under what condition will the sugar dissolve the fastest?

• When the tea is cold.

• When the tea is hot.

• When the tea is dark.

• When the tea is in a tall glass.

Tell which solution is the most concentrated,

• Mixture 1

• Mixture 2

• Mixture 3

• Mixture 4

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

air is a 

• compound
• element
• heterogeneous mixture
• solution

Another name for a homogeneous mixture is 

• an element.
• a solution.
• a compound.

Kool-Aid - Powder, sugar, and water
Identify the solvent 

• water
• powder
• sugar
• powder and sugar

The concentration of a mixture can be increased in which of the following ways?

• Heating the mixture
• Adding more water “solvent”
• Adding more powder “solute”
• Stirring the mixture

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 95 ºC?

• 83 grams
• 75 grams
• 40 grams
• 12 grams

Which solute is the most soluble at 10 ⁰C?

• KI
• KClO₃
• NH₄Cl
• NH₃