This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part I > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Process where a liquid becomes a gas A) Dissolve. B) Condensation. C) Physical property. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 2. To make thinner or weaker by adding a solvent such as water. A) Dilute. B) Saturate. C) Concentration. D) Distilation. Show Answer Correct Answer: A) Dilute. 3. A solution that can still dissolve more solute at a particular temperature. A) Saturated solution. B) Unsaturated solution. C) Heterogeneous solution. D) Homogeneous solution. Show Answer Correct Answer: B) Unsaturated solution. 4. At equilibrium the rate of dissolution of a solid solute in a volatile liquid solvent is ..... A) (i) less than the rate of crystallisation. B) (ii) greater than the rate of crystallisation. C) (iii) equal to the rate of crystallisation. D) (iv) zero. Show Answer Correct Answer: C) (iii) equal to the rate of crystallisation. 5. A 25% alcohol solution means A) 25 ml alcohol in 25 ml of water. B) 75 ml alcohol in 25 ml of water. C) 25 ml alcohol in 75 ml of water. D) 25 ml alcohol in 100 ml of water. Show Answer Correct Answer: C) 25 ml alcohol in 75 ml of water. 6. $2\left(x-2\right)=2x-4$ A) $x=8$. B) $x=-8$. C) No Solution. D) Infinite Solutions. Show Answer Correct Answer: D) Infinite Solutions. 7. What is the percent by mass of oxygen in MgO? A) 60%. B) 20%. C) 50%. D) 40%. Show Answer Correct Answer: D) 40%. 8. Find the solution to the equation:$^{25-5a =-5( a-4)}$ A) Many Possible Solutions. B) No Possible Solution. C) A = 10. D) A = 0. Show Answer Correct Answer: B) No Possible Solution. 9. Solubility of NaCl in 100 ml water is 36 g.If 25 g of salt is dissolved in 100 ml ofwater how much more salt is required forsaturation ..... A) 16 g. B) 11 g. C) 20 g. D) 12 g. Show Answer Correct Answer: B) 11 g. 10. A student makes a drink stirring lemon juice and sugar into a glass of water. Why is this drink considered a solution? A) The lemon juice and sugar change the taste of the water. B) The water changes the color. C) The lemon juice and sugar dissolve in the water. D) The student stirs the mixture. Show Answer Correct Answer: C) The lemon juice and sugar dissolve in the water. 11. Which of the following actions will NOTincrease the rate of dissolution for a solid solute? A) Increasing the surface area of thesolute. B) Increasing the temperature. C) Stirring the solution. D) Decreasing the temperature. Show Answer Correct Answer: D) Decreasing the temperature. 12. Calculate the boiling point of a solution made from 227 g of MgCl2 dissolved in 700. g of water. What is the boiling point of the solution? Kb = 0.512$^\circ$ C/m. A) 105.24$^\circ$ C. B) 105.34$^\circ$ C. C) 105.54$^\circ$ C. D) 105.44$^\circ$ C. Show Answer Correct Answer: A) 105.24$^\circ$ C. 13. On dissolving sugar in water at room temperature, solution feels cools to touch . Under which of the following dissolution of sugar will be most rapid? A) Sugar crystal I cold water. B) Powdered sugar in hot water. C) Powdered sugar in cold water. D) Sugar crystal in hot water. Show Answer Correct Answer: B) Powdered sugar in hot water. 14. If you make a solution of Kool-Aid and it is too concentrated, what would be true about its taste? A) It would taste just right. B) It would be too watery. C) It would taste too sugary. D) It would be too salty. Show Answer Correct Answer: C) It would taste too sugary. 15. Which statement is true of any saturated solution at a given temperature? A) One liter of the solution contains 2000 grams of solute. B) No more solute will dissolve in the solution. C) You can dissolve more solute if you stir the solution. D) Adding more solute will increase the saturation. Show Answer Correct Answer: B) No more solute will dissolve in the solution. 16. What is true about a solution? A) Solutions are not mixtures. B) Solutions are mixtures. C) All mixtures are solutions. D) None of the above. Show Answer Correct Answer: B) Solutions are mixtures. 17. The author mainly develops the topic of this selection by ..... A) Summarizing an artist's career and his contribution to modern manga. B) Providing detailed information for creating and publishing original manga. C) Comparing and contrasting an artist's manga with traditional comic books. D) Stating an opinion of manga and supporting it with examples and quotations. Show Answer Correct Answer: A) Summarizing an artist's career and his contribution to modern manga. 18. What is the molarity in 650. ml of solution containing 63 grams of sodium chloride? A) 2.4 M. B) 0.54 M. C) 1.7 M. D) 0.86 M. Show Answer Correct Answer: C) 1.7 M. 19. How does the water get through the filter paper? A) It's magic!. B) The filter paper is made of tiny holes that allow water to pass through but stops other materials. C) The filter paper is made of tiny holes that allow material to pass through but holds on to the water. D) Because it just does. Show Answer Correct Answer: B) The filter paper is made of tiny holes that allow water to pass through but stops other materials. 20. Why do we stir or shake a solution? A) To break up solute into smaller particles. B) To do an exercise and lose weight. C) To decrease the movement of particles of both solute and solvent. D) None of the above. Show Answer Correct Answer: A) To break up solute into smaller particles. 21. If your final answer is-5 = 5 A) More steps to reach final step. B) No Solution. C) Infinite Many Solutions. D) One Solution. Show Answer Correct Answer: B) No Solution. 22. How many solutions does the following equation have?-5x + 5-4x =-1-9x A) Infinitely Many Solutions. B) No Solution. C) One Solution. D) Two solutions. Show Answer Correct Answer: B) No Solution. 23. What do you call a substance dissolved in a solution and contains greateramount of solute than the other component? A) Supersaturated. B) Suspension. C) Unsaturated. D) Saturated. Show Answer Correct Answer: A) Supersaturated. 24. The ..... is the smaller part of the solution. A) Solute. B) Solvent. C) System of a down. D) None of the above. Show Answer Correct Answer: A) Solute. 25. Which would NOT increase the rate at which a sugar cube dissolves? A) Heating the solvent. B) Stirring the solution. C) Crushing the sugar cube. D) Reducing the amount of solvent. Show Answer Correct Answer: D) Reducing the amount of solvent. 26. Which observation would provide the evidence that a mixture is a solution? A) The liquid turned a cloudy brown with some powder on the bottom of the glass. B) The liquid is a cloudy brown color with nothing on the bottom of the glass. C) The liquid remained colorless with brown powder on the bottom of the glass. D) The liquid is a clear brown color with nothing on the bottom of the glass. Show Answer Correct Answer: D) The liquid is a clear brown color with nothing on the bottom of the glass. 27. The scattering of beam of light by the dispersed phase particles in colloidal solution is ..... effect A) Tyndall effect. B) Brownian. C) Suspension. D) None of the above. Show Answer Correct Answer: A) Tyndall effect. 28. Value of Henry's constant K$_{H }$ ..... A) Remains constant. B) Increases with increase in temperature. C) Decreases with increase in temperature. D) First increases then decreases. Show Answer Correct Answer: B) Increases with increase in temperature. 29. Scot found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation. 5x =-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: B) One Solution. 30. Answer questions 13-18 using the passage "Osamu Tezuka:Father of Modern Japanese Manga":The purpose of the first paragraph is to ..... A) Give a preview of Osamu Tezuka's newest manga book. B) Show how Osamu Tezuka's manga differs from older manga. C) Provide a description of Osamu Tezuka's movie scenes. D) Describe one of Osamu Tezuka's drawings. Show Answer Correct Answer: D) Describe one of Osamu Tezuka's drawings. 31. The ..... is the part that gets dissolved. A) Solution. B) Sacajawea. C) Solute. D) Solvent. Show Answer Correct Answer: C) Solute. 32. Austin found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation. 3 = 5x Determine 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. 33. It is raining outside so I ran and got an umbrella. 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. 34. Solution that has more solute dissolved than is normally possible, by heating up, saturating the hot solution, then slowly cooling off the solution. A) Saturated. B) Unsaturated. C) Supersaturated. D) Nonelectrolyte. Show Answer Correct Answer: C) Supersaturated. 35. Which of the following solutions will have the highest boiling point? A) 1M Urea. B) 1M Glucose. C) 1M NaCl. D) 1M MgCl2. Show Answer Correct Answer: D) 1M MgCl2. 36. How many solutions does this equation have?3x = x + 4 A) One Solution. B) No Solution. C) Many Solutions. D) None of the above. Show Answer Correct Answer: A) One Solution. 37. Simplify each equation. Tell whether the equation has one, no, or infinite solutions.3x-7 = 3(x-3) + 2 A) One. B) No solutions. C) Infinite solutions. D) None of the above. Show Answer Correct Answer: C) Infinite solutions. 38. How many solutions does this equation have?2x + 9 = 2x + 9 A) One Solution. B) No Solution. C) Many Solutions. D) None of the above. Show Answer Correct Answer: C) Many Solutions. 39. What is a filter? A) A material's ability to dissolve. B) A tool used to separate some solids from liquids. C) A combination of two or more different types of matter. D) A single part of a mixture. Show Answer Correct Answer: B) A tool used to separate some solids from liquids. 40. A saturated solution is one that ..... A) Contains the maximum amount of dissolved solute. B) Is the amount of a substance required to form a saturated solution. C) Contains more solute than a saturated solution. D) Contains less solute than a saturated solution. Show Answer Correct Answer: A) Contains the maximum amount of dissolved solute. 41. Molecules are always moving no matter what phase they are in:solid, liquid, gas. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 42. Solve:2y-3 = 2y-3 A) Y =-3. B) Infinitely many solutions. C) Y = 0. D) No solutions. Show Answer Correct Answer: B) Infinitely many solutions. 43. Which is NOT a factor in the rate at which a solute dissolves? A) The temperature of the solvent. B) The size of the particles of the solute. C) Whether or not the mixture is stirred. D) The size of the container the solution is in. Show Answer Correct Answer: D) The size of the container the solution is in. 44. What is the molarity of 420 mls of a KCl solution that contains 16.0 grams of KCl A) 3.19 M. B) 0.00563 M. C) 625 M. D) 0.51 M. Show Answer Correct Answer: D) 0.51 M. 45. In saltwater, salt is the ..... A) Solute. B) Solvent. C) All the above. D) None of the above. Show Answer Correct Answer: A) Solute. 46. In a solution, what is the solvent? 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: B) The substance that exists in the greatest quantity. 47. Process where a gas turns back into a liquid A) Evaporation. B) Condensation. C) Melting. D) Freezing. Show Answer Correct Answer: B) Condensation. 48. The amount of solute compared to the solvent. A) Alloy. B) Concentration. C) Distillation. D) Solution. Show Answer Correct Answer: B) Concentration. 49. How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid? A) 278 mL. B) 27.8 mL. C) .278 mL. D) 2.8 mL. Show Answer Correct Answer: B) 27.8 mL. 50. What change will have the least effect on solubility of a solid? A) Decrease in pressure. B) Increase in surface area. C) Decrease in temperature. D) Increase in temperature. Show Answer Correct Answer: A) Decrease in pressure. 51. Write example of a homogeneous solution A) Salt and sugar. B) Oil and water. C) Sand and water. D) Kerosene in oil. Show Answer Correct Answer: A) Salt and sugar. 52. To make a solution more concentrated, add more A) Solute. B) Solvent. C) Density. D) Taste. Show Answer Correct Answer: A) Solute. 53. Darlene found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation.-9x =-9Determine 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. 54. The liquid a substance dissolves in A) Solution. B) Mixture. C) Solute. D) Solvent. Show Answer Correct Answer: D) Solvent. 55. An explanation of an object that cannot be observed directly ..... A) Product. B) Model. C) Properties. D) None of the above. Show Answer Correct Answer: B) Model. 56. If an equation has infinitely many solutions, it is ..... true. A) Always. B) Sometimes. C) Never. D) None of the above. Show Answer Correct Answer: A) Always. 57. If my work says 5x = 5, what is the value of x? A) One Solution x = 5. B) Infinite Number of Solutions. C) One Solution, x = 1. D) One Solution x = 1/5. Show Answer Correct Answer: C) One Solution, x = 1. 58. Which statement about solutions and homogeneous mixtures is correct? A) Solutions are liquid, but homogeneous mixtures can be any state of matter. B) Solutions are made up of two elements mixed together, but homogeneous mixtures are made from two compounds mixed together. C) Solutions can only be separated by chemical reactions, but homogeneous mixtures can be separated by physical changes. D) Solutions and homogeneous mixtures are actually the same thing. Show Answer Correct Answer: D) Solutions and homogeneous mixtures are actually the same thing. 59. Which of the following describes the effect of temperature on the solubility of gases in liquids? A) Solubility decreases with increasing temperature. B) Solubility is unaffected by temperature. C) Solubility varies unpredictably with temperature. D) Solubility increases with increasing temperature. Show Answer Correct Answer: A) Solubility decreases with increasing temperature. 60. The solutions are classified into three types on the basis of A) Type of solute. B) Type of solvent. C) Types of elements. D) None of the above. Show Answer Correct Answer: B) Type of solvent. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 7Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 8Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books