This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 39 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In a solution, the solute is the substance that A) Dissolves in the solvent. B) Is in the greatest quantity. C) Is the liquid. D) Is the solid. Show Answer Correct Answer: A) Dissolves in the solvent. 2. Which of the following pairs form a maximum boiling azeotrope? A) Ethanol and water. B) Benzene and toluene. C) Nitric acid and water. D) Methanol and acetone. Show Answer Correct Answer: A) Ethanol and water. 3. Gaseous solutes are ..... soluble in a solvent when the solvent's temperature increases. A) More. B) Less. C) Just as (no change). D) None of the above. Show Answer Correct Answer: B) Less. 4. 6x + 9-x = 3x + 9 + x A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: B) One Solution. 5. A student mixes 35 grams of salt in 100 milliliters of water. How would the student make the solution MORE concentrated? A) Add 20 g salt and 20 ml water. B) Add 20 g salt. C) Pour some of the solution out. D) Add 20 ml water. Show Answer Correct Answer: B) Add 20 g salt. 6. The chemical property of water that allows it to dissolve substances with positive and negative charges. A) Solubility. B) Polarity. C) Surface Tension. D) Evaporation. Show Answer Correct Answer: B) Polarity. 7. In a solution, what is the solute? A) The substance(s) that exists in smaller quantities. B) The substance that exists in the greatest quantity. C) The mixing of different substances. D) The process in which neutral molecules lose or gain electrons. Show Answer Correct Answer: A) The substance(s) that exists in smaller quantities. 8. The parts of a solution are the A) Salt and vapor. B) Solvent and solid. C) Solute and water. D) Solvent and solute. Show Answer Correct Answer: D) Solvent and solute. 9. What is the pH of a solution that has a [H+] of 2.5 x 10-5?4.605.02.57 A) 4.6. B) 5.0. C) 2.5. D) 7.0. Show Answer Correct Answer: A) 4.6. 10. 3r-5 = 2r A) No solution. B) Infinitely many solutions. C) R = 5. D) None of the above. Show Answer Correct Answer: C) R = 5. 11. Mustard oil is an example of- A) SOLID that is insoluble in water. B) LIQUID that is insoluble in water. C) GASES that is insoluble in water. D) None of the above. Show Answer Correct Answer: B) LIQUID that is insoluble in water. 12. How many solutions does this equation have?6b-4 = 6b + 4 A) One Solution. B) No Solution. C) Many Solutions. D) None of the above. Show Answer Correct Answer: B) No Solution. 13. When no more solute dissolves the solution is ..... A) Supersaturated. B) Unsaturated. C) Saturated. D) Supercalifragilisticexpialidocious. Show Answer Correct Answer: C) Saturated. 14. If your final answer is 0 =-5 A) One Solution. B) No Solution. C) Infinite Many Solutions. D) More steps to reach final step. Show Answer Correct Answer: B) No Solution. 15. How do gasses dissolve differently than solids? A) Gasses can dissolve more with lower temperatures. B) Gasses can dissolve more in higher temperatures. C) Gasses dissolve more in lower pressure. D) Solids dissolve more in higher pressure. Show Answer Correct Answer: A) Gasses can dissolve more with lower temperatures. 16. How do you separate a mixture of salt and sand? A) Heat the sand and salt and pour through a filter. B) Pour water in the salt and sand and use a magnet to spearate. C) Pour water in the salt and sand and pour through a paper filter, evaporate the water. D) Pour through a strainer, add water, evaporate the water. Show Answer Correct Answer: C) Pour water in the salt and sand and pour through a paper filter, evaporate the water. 17. One way to separate out a heterogeneous mixture is to boil it. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. Which of the following are considered to be heterogeneous mixtures? A) Colloid. B) Solution. C) Suspension. D) Both Orange and Blue are right. Show Answer Correct Answer: D) Both Orange and Blue are right. 19. Elevation in the boiling point for 1 molal solution of glucose is 2K. The depression in the freezing point of 2 molal solution of glucose in the same solvent is 2 K. The relation between K$_{b }$and K$_{f }$is: A) K$_{b}$ = 0.5 K$_{f}$. B) K$_{b}$ = 2 K$_{f}$. C) K$_{b}$ = 1.5 K$_{f}$. D) K$_{b}$ = K$_{f}$. Show Answer Correct Answer: B) K$_{b}$ = 2 K$_{f}$. 20. ML of water is placed in a beaker, 10 grams of a salt in placed in the water and stirred. All the salt dissolves. The solvent is: A) The water. B) The salt. C) The beaker. D) The mass of the salt. Show Answer Correct Answer: A) The water. 21. A solute that contains polar molecules will dissolve in a solvent that contains A) Nonpolar molecules. B) Polar molecules. C) Covalent molecules. D) Equal-sized molecules. Show Answer Correct Answer: B) Polar molecules. 22. What do you mean by the term concentration A) It is the amount of solute particles present in a solution. B) It is the amount of solvent particles present in the solution. C) Total amount of solvent. D) Total amount of solution. Show Answer Correct Answer: A) It is the amount of solute particles present in a solution. 23. COLLOIDS HAVE PARTICLES THAT ARE DISPERSED AND DO NOT SETTLE AT THE BOTTOM. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 24. Which of the following is NOT a solution? A) The air you breathe. B) Carbonated soda. C) Nail polish mixed with acetone. D) Milk. Show Answer Correct Answer: D) Milk. 25. What does "like dissolves like" mean? A) Polar solvents dissolve in polar solutes. B) Polar solutes dissolve in polar solvents. C) Non-polar solvents dissolve in polar solutes. D) Non-polar solutes dissolve in polar solvents. Show Answer Correct Answer: B) Polar solutes dissolve in polar solvents. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part I) Chapter 2 Solutions Quiz 1Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 2Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 3Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 4Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 5Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 6Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 7Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 8Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 9Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books