Unit 6: Solutions
- What do you call a solution that contains the maximum amount of solute it can hold at a given temperature?
- A) Unsaturated
- B) Saturated
- C) Supersaturated
- D) Dilute
- Answer: B) Saturated
- In which of the following is salt not soluble?
- A) Water
- B) Ethanol
- C) Vinegar
- D) Oil
- Answer: D) Oil
- Which factor does not affect the rate at which a solute dissolves?
- A) Temperature
- B) Surface area
- C) Pressure
- D) Color
- Answer: D) Color
- What is the concentration of a solution with 10 grams of salt in 100 grams of water?
- A) 10%
- B) 5%
- C) 1%
- D) 50%
- Answer: A) 10%
- What type of solution has a higher concentration of solute than a saturated solution?
- A) Unsaturated solution
- B) Saturated solution
- C) Supersaturated solution
- D) Dilute solution
- Answer: C) Supersaturated solution
- What is the main solvent in an aqueous solution?
- A) Oil
- B) Water
- C) Alcohol
- D) Acetone
- Answer: B) Water
- Which of the following is true for a solution?
- A) The solute can be separated by filtration.
- B) The solute and solvent are uniformly mixed.
- C) The solute and solvent have different phases.
- D) The solute is visible in the mixture.
- Answer: B) The solute and solvent are uniformly mixed.
- What does the term “molarity” refer to?
- A) The number of moles of solute per liter of solution
- B) The weight of the solute
- C) The volume of the solute
- D) The concentration of a gas
- Answer: A) The number of moles of solute per liter of solution
- What is the solute in a soft drink?
- A) Carbon dioxide
- B) Water
- C) Sugar
- D) Both A and C
- Answer: D) Both A and C
- Which of the following solutions is most likely to be unsaturated?
- A) A solution with a large amount of solute
- B) A solution with a small amount of solute
- C) A solution with the maximum solute dissolved
- D) A solution with excess solute
- Answer: B) A solution with a small amount of solute
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