Science 6 Dissolving and Solution

When a substance dissolves, the particles are ______

• collected only at the top of the solution

• collected only on the surface of the solution

• mixed unevenly through the solution

• mixed evenly throughout the solution

Salt is mixed with water. Which one is correct?

• Salt is the solvent

• Water is the solute

• Water is the solvent

• Salt is a solution

An example of insoluble substance is ....

• salt

• sugar

• milk powder

• flour

Look at the diagram. In this diagram, the red dots represent ...

• the solute
• the solvent
• the solution
• none of these

The sand in this water is . . . .

• soluble

• insoluble

Which of the following will not increase the rate that a sugar cube dissolves?

• crushing up the sugar cube

• stirring the water with sugar cube

• heating up the water before mixing in the sugar
• adding an additional solute to the solution

In a solution, what is the substance that does the dissolving?

• solute

• suspension

• solvent

• emulsion

Which of the following is an example of a solute: salt, water, or air?

• oil

• salt

• sugar

• vinegar

Which one shows dissolving process?

• coffe powder and sugar

• coffe powder and hot water

• water and oil

• salt and sand

Substance that cannot be dissolved by another substance called as ...

• solvent

• soluble

• solute

• insoluble