11. Which of the following describes a solvent?
A. It's a metal molecules
B. Another word of solution
C. A thing that makes drinks turns colors
D. The liquid in which a solute is dissolved to form a solution

12. To make a solute dissolved more quickly in a solvent which would you do?
A. Stir it in cold water
B. Stir it in warm water
C. Let the solute settle down
D. nothing to do with the solute

13. Which of these does the dissolving that is usually presented in greater amount?
A. Solute B. Solvent
C. Solution D. Hydration

14. How does the solubility of solid change when the temperature of the liquid solvent is increased?
A. The solubility increases
B. The solubility decreases
C. There is no change in the solubility
D. The change in the solubility in unpredictable

15. A saturated solution is made by dissolving 36.8g of solid in 200mL of water. A second solution is made by dissolving 19.1 g of the same solid in 100mL of water. How the solution would be classified?
A. Unsaturated
B. Saturated
C. Supersaturated
D. Hyper saturated​