1. How can you make a solute dissolve more quickly in a solvent?
A. by addting more solute
B. by adding ice
C. by heating the solvent
D. by removing some solvent
2. What do we call a substance that gets dissolved in a solution?
A. material
B. solute
C. solvent
D. solution
3. What do we call the substance that does the dissolving and is usually presented in greater amounts in a solution?
A. material
B. solute
C. solvent
D. solution
4. Lemonade, sodas, and salt water some are examples of_______
A. solutions
B. solute
C. mixture
D. soot
5. Which factor will cause a solid to dissolve faster in a liquid?
A. Use a larger lump of the solid
B. Stir the solution
C. Cool the solution
D. Use an already saturated solvent
6. How does the solubiliy of a 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 is unpredictable
7. In a solution, the solvent is______
A. the substance being dissolved
B. always a liquid
C. the substance present in the greatest amount
D. always water
8. A solution may contain_____
A. only one solvent but many solutes
B. many solvents but only one solute
C. only one solvent and one solute
D. many solvents and many solutes
9.Which of the following statements concerning a saturated solution is incorrect?
A. Undissolved solute must be present
B. Undissolved solute may or may not be present
C. Undissolved solute, if present, is continually dissolving
D. Undissolved solute, if present, is in equilibrium with dissolved solute
10. Which of the following statements concerning factors that affect solute solubility is incorrect?
A.Most solid soluble become more soluble in water with increasing temperature
B. Most solid soluble become less solute in water with decreasing pressure
C. Gaseous solutes become less soluble in water with increasing temperature
D. Gaseous solutes become more soluble in water with increasing pressure
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Answer:
C. ( not very sure)
Explanation:
Answer:
1.C
2.B
3.C
4.A
5.?
6.A
7.C
8.A
9.?
10.?
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