This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the secret of how a ship floats? A) Its size. B) Its hollow shape. C) The amount of cargo it carries. D) Number of passengers on board. Show Answer Correct Answer: B) Its hollow shape. 2. What does supersaturated mean? A) There is more solvent molecules in a solution than solute molecules. B) There are more solute molecules in solution than can be dissolved by the solvent molecules. C) There are only solute molecules. D) There are only solvent molecules. Show Answer Correct Answer: B) There are more solute molecules in solution than can be dissolved by the solvent molecules. 3. How many solutions does this equation have?8y-4 = 8y-4 A) One Solution. B) No Solution. C) Many Solutions. D) None of the above. Show Answer Correct Answer: C) Many Solutions. 4. Danica found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation. x = 5xDetermine if the equation has:one solution, no solutions, or infinitely many solutions. A) Infinitely Many Solutions. B) One Solution. C) No Solution. D) None of the above. Show Answer Correct Answer: B) One Solution. 5. Which has the highest freezing point? A) 1 M glucose. B) 1 M NaCl. C) 1 M CaCl2. D) 1 M AlF3. Show Answer Correct Answer: A) 1 M glucose. 6. Solve the equation:3(x-1) = 2x + 9 A) X = 12. B) No solution. C) X = 10. D) X = 6. Show Answer Correct Answer: A) X = 12. 7. How many solutions does this equation have?18a + 45 = 18a-37.2 A) One Solution. B) No Solution. C) Many Solutions. D) None of the above. Show Answer Correct Answer: B) No Solution. 8. Increasing pressure makes liquids and solids ..... soluble in a solvent. A) More. B) Less. C) Just as (no change). D) None of the above. Show Answer Correct Answer: C) Just as (no change). 9. Solutes dissolve quicker if you stir them. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. When a substance dissolves, the particles are ..... A) Collected only at the top of the solution. B) Collected only on one side of the solution. C) Spread unevenly through the solution. D) Spread evenly throughout the solution. Show Answer Correct Answer: D) Spread evenly throughout the solution. 11. Which of the following is a characteristic of a solvent? A) It is always a liquid. B) It dissolves other substances. C) It is always a solid. D) It cannot be separated. Show Answer Correct Answer: B) It dissolves other substances. 12. What is the definition of infinite solutions? A) No matter what constant is substituted in for the variable, the equation is ALWAYS true. B) No matter what constant is substituted in for the variable, the equation will NEVER be true. C) Only this ONE solution will make the equation true. D) None of the above. Show Answer Correct Answer: A) No matter what constant is substituted in for the variable, the equation is ALWAYS true. 13. A car needs a forwards force to keep moving because: A) Everything needs a force to keep moving. B) Gravity is trying to slow it down. C) It needs a force to balance friction and air resistance. D) Weight balances friction. Show Answer Correct Answer: C) It needs a force to balance friction and air resistance. 14. How can I remove Iron fillings from Sand? A) Using a strainer. B) Using Tweezers. C) Using a Magnet. D) Using my hands. Show Answer Correct Answer: C) Using a Magnet. 15. The larger amount that dissolves another substance in a solution. A) Solute. B) Solvent. C) Concentration. D) Mixture. Show Answer Correct Answer: B) Solvent. 16. Mike found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation.-1 =-1Determine if the equation has:one solution, no solutions, or infinitely many solutions. A) Infinitely Many Solutions. B) One Solution. C) No Solution. D) None of the above. Show Answer Correct Answer: A) Infinitely Many Solutions. 17. The substance that will be dissolved like salt or sugar A) Mixture. B) Solution. C) Solute. D) Sieve. Show Answer Correct Answer: C) Solute. 18. How many moles are needed to make 2.5 L of a 3.8 M solution? A) 9.5 mol. B) 0.66 mol. C) 1.5 mol. D) 15 mol. Show Answer Correct Answer: A) 9.5 mol. 19. Salt crystals + water = solution. What happened to the salt and water? A) They combined physically to form a special mixture. B) The salt and water evaporated. C) The salt and water separated, forming layers. D) The salt melted the water. Show Answer Correct Answer: A) They combined physically to form a special mixture. 20. When you dilute a solution, which of these values remains constant? A) The molarity (M). B) The total moles of solute. C) The volume (V). D) The concentration. Show Answer Correct Answer: B) The total moles of solute. 21. A solution has a pH of 6.9. This solution is ..... A) An acid. B) A base. C) Neutral. D) None of the above. Show Answer Correct Answer: A) An acid. 22. Contains the maximum amount of dissolved solute A) Unsaturated solution. B) Supersaturated solution. C) Saturated solution. D) None of the above. Show Answer Correct Answer: C) Saturated solution. 23. Molarity (in mol/l) of distilled or pure water is A) 18. B) 81. C) 55.56. D) 49.87. Show Answer Correct Answer: C) 55.56. 24. Calculate the mass of 2 mol of methane. A) 2. B) 8. C) 16. D) 32. Show Answer Correct Answer: D) 32. 25. The substance in which a solute is dissolved A) Sands. B) Solvent. C) Alloy. D) Negative particles. Show Answer Correct Answer: B) Solvent. ← 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