This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the percent composition of water? A) H = 11.1%O = 89.9%. B) H = 66.7%O = 33.3%. C) H = 5.6%O = 89.9%. D) H = 20%O = 80%. Show Answer Correct Answer: A) H = 11.1%O = 89.9%. 2. What is the [OH-] if the [H+] is 1.0 x 10-3 M? A) 1.0 x 10-3 M. B) 6.02 x 10-23 M. C) 1.0 x 10-14 M. D) 1.0 x 10-11 M. Show Answer Correct Answer: D) 1.0 x 10-11 M. 3. Solution A has a density of 61g/50mL Solution B has a density of 21g/50mLSolutions C has a density of 41/50mLPut them in order from most dense to less dense. A) A. B. C. B) C, B, A. C) A, C, B. D) C, A, B. Show Answer Correct Answer: C) A, C, B. 4. If your final answer is x = 0 A) One Solution. B) No Solution. C) Infinite Many Solutions. D) More steps to reach final step. Show Answer Correct Answer: A) One Solution. 5. Which of the following is not a characteristic of a solution A) It will scatter a beam of light. B) It is stable over time. C) The solute particles cannot be separated by filtering. D) It is a uniform mixture. Show Answer Correct Answer: A) It will scatter a beam of light. 6. A small bowl contains a mixture of toothpicks and glass marbles. The easiest way to separate the mixture without touching it would be ..... A) Add glue to the mixture. B) Place a magnet in the bowl. C) Pour the mixture into a paper cone. D) Add water to the bowl. Show Answer Correct Answer: D) Add water to the bowl. 7. The boiling point of a solution is ..... the boiling point of the pure solvent. A) Higher than. B) The same as. C) Lower than. D) Higher or lower than. Show Answer Correct Answer: A) Higher than. 8. A molecule with a slight positive chargeon one side and a slight negative chargeon the other side is ..... A) Hydrates. B) Miscible. C) Polar. D) Saturated. Show Answer Correct Answer: C) Polar. 9. When a solute is added to a solvent, the boiling point of that solution will ..... A) Increase. B) Decrease. C) Stay the Same. D) Party like it's 1776. Show Answer Correct Answer: A) Increase. 10. Which of the following is an example of HOMOGENEOUS mixture? A) Air. B) Sandwich. C) Salad. D) None of the above. Show Answer Correct Answer: A) Air. 11. What is the molarity of a solution which contains 22.41 grams of NaCl in 50.0 mL of solution? A) 0.488 M. B) 7.67 mol. C) 7.67 M. D) 0.00767 M. Show Answer Correct Answer: C) 7.67 M. 12. NaCl in water is a example of A) Non-Aqueous solution. B) Concentrated sol. C) Aqueous solution. D) None of the above. Show Answer Correct Answer: C) Aqueous solution. 13. How does particle size affect solubility? A) Bigger particles dissolve faster. B) Smaller particles can occupy the space in water faster. C) Bigger particles spread faster than smaller particles. D) None of the above. Show Answer Correct Answer: B) Smaller particles can occupy the space in water faster. 14. Which of the following solutions is concentrated? A) 10 g of sugar in 10g of water. B) 10 g of sugar in 20 g of water. C) 20g of sugar in 20 g of water. D) 20 g of sugar in 10 g of water. Show Answer Correct Answer: D) 20 g of sugar in 10 g of water. 15. How many moles of solute are present in 50.0 mL of 0.20M KNO$_{3}$? A) 10.0 moles solute. B) 0.05 moles solute. C) 1.00 moles solute. D) 0.01 moles solute. Show Answer Correct Answer: D) 0.01 moles solute. 16. How many solutions does this equation have?4x + 8 = 2(2x + 4) A) One solution. B) No Solution. C) Infinitely many solutions. D) Two solutions. Show Answer Correct Answer: C) Infinitely many solutions. 17. If my work says 3x = 2x, what is the value of x? A) One Solution x = 3/2. B) One Solution, x = 2/3. C) One Solution x = 0. D) No Solution. Show Answer Correct Answer: C) One Solution x = 0. 18. 6x-18 = 4(2x-3)-(2x + 6) A) No Solution. B) One Solution. C) Infinite Solution. D) None of the above. Show Answer Correct Answer: C) Infinite Solution. 19. If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind? A) 20 grams. B) 0 grams. C) 27 grams. D) 10 grams. Show Answer Correct Answer: C) 27 grams. 20. I forgot my lunch at home so my mom brought it to me. The red part of the sentence is the A) Problem. B) Solution. C) All the above. D) None of the above. Show Answer Correct Answer: A) Problem. 21. How a character solves an issue is called the ..... A) Solution. B) Problem. C) All the above. D) None of the above. Show Answer Correct Answer: A) Solution. 22. When my statement is sometimes true A) There is no solution. B) There is one solution. C) There is an infinite number of solutions. D) None of the above. Show Answer Correct Answer: B) There is one solution. 23. The dissolving medium in a solution is called ..... A) Colloid. B) Solution. C) Solute. D) Solvent. Show Answer Correct Answer: D) Solvent. 24. In a solid to liquid mixture, an increase in temperature means ..... A) Increase in solubility. B) Decrease in solubility. C) All the above. D) None of the above. Show Answer Correct Answer: A) Increase in solubility. 25. Solution A is 61 grams salt/50 ML waterSolution B is 21grams salt/50mL waterSolution C is 41 grams salt/50 mL waterPut them in order from most concentrated to least concentrated. A) A, B, C. B) A, C, B. C) C, B, A. D) C, A, B. Show Answer Correct Answer: B) A, C, B. ← 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