Rate of Dissolving lab

What happens to the sugar cube in room temperature water without agitation?

• The sugar cube floats on the surface of the water.
• The sugar cube dissolves slowly in the water.
• The sugar cube turns into a solid block.
• The sugar cube releases gas into the water.

How does stirring the water affect the rate of dissolving the sugar cube?

• Stirring the water increases the rate of dissolving the sugar cube.
• Stirring makes the sugar cube dissolve completely in water.
• Stirring has no effect on the dissolving rate.
• Stirring the water slows down the dissolving process.

What is the purpose of using a mortar and pestle on the sugar cube?

• To increase the surface area for dissolving

• To dissolve the sugar cube in water.
• To measure the sugar cube's weight.
• To store the sugar cube for later use.

After stirring the powdered sugar in room temperature water, what was observed?

• a. All sugar dissolved immediately
  

• b. Some sugar dissolved, but a lot remained at the bottom

• c. The water turned pink

• d. The powdered sugar floated on top

Which beaker shows the sugar cube dissolving faster?

• The beaker with room temperature water

• The beaker with hot water

• Both dissolve at the same rate

• None of them dissolve