This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part I > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A solution in which the solvent cannot dissolve any more solute ..... A) Dilute. B) Concentrated. C) Saturated. D) None of the above. Show Answer Correct Answer: C) Saturated. 2. Amount of solute that can dissolve in a given amount of solvent at a given temperature A) Solubility. B) Colloid. C) Saturated solution. D) Pure substance. Show Answer Correct Answer: A) Solubility. 3. Low concentration of oxygen in the blood and tissues of people living at highaltitude is due to ..... (i) low temperature(ii) low atmospheric pressure(iii) high atmospheric pressure(iv) both low temperature and high atmospheric pressure A) Low temperature. B) Low atmospheric pressure. C) High atmospheric pressure. D) Both low temperature and high atmospheric pressure. Show Answer Correct Answer: B) Low atmospheric pressure. 4. The substance that gets dissolved in a solution is called a(n) A) Solvent. B) Solute. C) Acid. D) Base. Show Answer Correct Answer: B) Solute. 5. A mixture with more solute dissolved in the solvent than is usually soluble is called: A) Concentrated. B) Unsaturated. C) Supersaturated. D) Saturated. Show Answer Correct Answer: C) Supersaturated. 6. A solution that cannot dissolve any more solute. A) Unsaturated Solution. B) Saturated Solution. C) Solute. D) Colloid. Show Answer Correct Answer: B) Saturated Solution. 7. A solution that contains all of the solute that it can hold at a given temperature. A) Saturated solution. B) Homogeneous solution. C) Unsaturated solution. D) Diluted solution. Show Answer Correct Answer: A) Saturated solution. 8. If a spoonful of sugar is mixed in a glass of water, what is the water called? A) Solution. B) Solvent. C) Solute. D) Element. Show Answer Correct Answer: B) Solvent. 9. P=K$_{H}$ xformula deals with ..... law, which is applicable for ..... solutions A) Raoults law, concentrated. B) Henry law, dilute. C) Raoults law, dilute. D) Henry law, concentrated. Show Answer Correct Answer: B) Henry law, dilute. 10. A solution made by dissolving 40 g NaOH in 1000 g of water is A) 1 molar. B) 1 normal. C) 1 molal. D) None of these. Show Answer Correct Answer: C) 1 molal. 11. What happens when KBr is dissolved in water? A) Br-ions are attracted to positive K ions. B) No attractions are involved. C) Br-ions are attracted to the oxygen atom of water. D) K+ ions are attracted to the hydrogen atoms of water. Show Answer Correct Answer: A) Br-ions are attracted to positive K ions. 12. When particles in a solution can't be filtered out, you must use ..... to get the particles back. A) Water. B) Filter paper. C) Evaporation. D) Screen. Show Answer Correct Answer: C) Evaporation. 13. When describing the setting of the story, an author uses vivid descriptions and adjective to help the reader picture the place in his mind. This is called- A) Imagery. B) Predicting. C) Connecting. D) Figurative language. Show Answer Correct Answer: A) Imagery. 14. Which of the following solutions would conduct electricity the best? A) A sugar solution. B) A salt solution. C) Distilled water. D) All of them. Show Answer Correct Answer: B) A salt solution. 15. All the solution you can dissolve has been dissolved A) Unsaturated solution. B) Saturated solution. C) Solution. D) Supersaturated solution. Show Answer Correct Answer: B) Saturated solution. 16. True or false:Dissolved particles will pass through a piece of filter paper. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Which of the following factors affects solubility? A) Temperature. B) Agitation. C) Surface area. D) All of the above. Show Answer Correct Answer: A) Temperature. 18. The substance that dissolves the solute. A) Solute. B) Solvent. C) Concentration. D) Solution. Show Answer Correct Answer: B) Solvent. 19. To change from a liquid to a solid state as a result of cooling. A) Freezing. B) Melting. C) Evaporating. D) None of the above. Show Answer Correct Answer: A) Freezing. 20. What property of water molecules makes water a universal solvent? A) Size. B) Density. C) Temperature. D) Polarity. Show Answer Correct Answer: D) Polarity. 21. Trinity is trying to make a mixture out of 150g water and 10g of salt. Which material is the solute? A) Salt. B) Water. C) Air. D) Water. Show Answer Correct Answer: A) Salt. 22. What forms of sodium chloride will conduct electricity? A) In a solid crystalline state. B) In a molten liquid state. C) When dissolved in water. D) Both B and C. E) A, B, and C will all conduct electricity. Show Answer Correct Answer: D) Both B and C. 23. Which sweet tea would you expect to taste the sweetest? A) 1M. B) 3.1M. C) 3M. D) 2.5M. Show Answer Correct Answer: B) 3.1M. 24. Why might the temperature of water increase when a solution forms? A) The solute increases the boiling point of the water. B) The solvent decreases the melting point of the water. C) More energy is absorbed when the solution forms than is released when the solute and solvent molecules separate and break apart. D) More energy is released when the solution forms than is absorbed when the solute and solvent molecules separate and break apart. Show Answer Correct Answer: D) More energy is released when the solution forms than is absorbed when the solute and solvent molecules separate and break apart. 25. Which tools are best for separating a mixture of sand, iron filings, and water? A) Hot plate and filter. B) Tweezers and filter. C) Filter and magnet. D) None of the above. Show Answer Correct Answer: C) Filter and magnet. 26. The ..... is the very end of the story. A) Climax. B) Exposition. C) Resolution. D) Rising action. Show Answer Correct Answer: C) Resolution. 27. What happens to the concentration of saltwater if you left it boiling on a stove without a lid? A) It becomes diluted as the water evaporates. B) It becomes more concentrated as the water evaporates. C) The concentration does not change. D) None of the above. Show Answer Correct Answer: B) It becomes more concentrated as the water evaporates. 28. What statement is true about basic buffer? A) Basic buffer usually works effectively at pH range of above 7. B) It's made of a mixture of strong base and salt of its conjugate acid. C) Adding small amount of strong acid to the solution of basic buffer can significantly alter the pH of the buffer solution. D) Diluting solution of basic buffer cause pH of that solution to change drastically. Show Answer Correct Answer: A) Basic buffer usually works effectively at pH range of above 7. 29. Homogeneous mixture A) Of the same kind; alike. B) A mixture in which different materials can be distinguished easily. C) All the above. D) None of the above. Show Answer Correct Answer: A) Of the same kind; alike. 30. Salt is dissolved in water. A) Water is soluble. B) Salt is soluble. C) Water is insoluble. D) Salt is insoluble. Show Answer Correct Answer: B) Salt is soluble. 31. A teacher mixes a white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats up the water until it evaporates and the powder can be seen again. Which of the property of the powder is the teacher demonstrating? A) Conductivity. B) Density. C) Mass. D) Solubility. Show Answer Correct Answer: D) Solubility. 32. Which information from the selection supports the thesis that manga has become increasingly popular over time? A) Japanese manga originally contained a dozen sketches that formed one complete story. B) Osamu Tezuka's father possessed a substantial collection of his favorite manga. C) Osamu Tezuka's work contains borrowed plots from many literary classics. D) Manga currently has its own section in many Japanese newspapers. Show Answer Correct Answer: D) Manga currently has its own section in many Japanese newspapers. 33. Heterogeneous mixture A) Of the same kind; alike. B) A mixture in which different materials can be distinguished easily. C) All the above. D) None of the above. Show Answer Correct Answer: B) A mixture in which different materials can be distinguished easily. 34. Weak tea is an example of a ..... A) Concentrated solution. B) Suspension. C) Solvent. D) Dilute solution. Show Answer Correct Answer: D) Dilute solution. 35. Calculate the molarity of the following solution:1.0 mole of KCl in 750.0 mL of solution. A) 0.750 M. B) 2.0 M. C) 99 M. D) 1.3 M. Show Answer Correct Answer: D) 1.3 M. 36. The properties of a solution include all of the following EXCEPT? A) The solute particles are too small to be seen. B) The solute particles cannot be filtered. C) The solute particles cannot settle upon standing. D) The solution exhibits the Northernlight effect. Show Answer Correct Answer: D) The solution exhibits the Northernlight effect. 37. Which action would NOT change the concentration of a solution at all? A) Removing some solvent. B) Evaporating some of the solute. C) Pouring out some of the solution. D) Adding more solvent. Show Answer Correct Answer: C) Pouring out some of the solution. 38. If you have 2.5 moles of glucose in 0.5 L of solution, what is the concentration of the solution? A) 0.5 M. B) 5 M. C) 1.25 M. D) 2.5 M. Show Answer Correct Answer: B) 5 M. 39. Solubility is a ..... property. A) Neat. B) An organic. C) Physical. D) Chemical. Show Answer Correct Answer: C) Physical. 40. A solution in which no more solute can bedissolved in a definite amount of solvent at agiven temperature is called ..... A) Dilute solution. B) Super saturated solution. C) Saturated solution. D) Un saturated solution. Show Answer Correct Answer: C) Saturated solution. 41. An equation has infinitely many solutions if ..... A) The variable is eliminated and we are left with something false (like 2=3). B) The variable is eliminated and we are left with something true (like 2=2). C) We can find the value of the variable. D) None of the above. Show Answer Correct Answer: B) The variable is eliminated and we are left with something true (like 2=2). 42. The characteristics of an object-size, shape, color, & texture ..... A) Properties. B) Models. C) Solutes. D) None of the above. Show Answer Correct Answer: A) Properties. 43. What combination would dissolve a solid solute the fastest? A) No heat, no stirring. B) Sugar cube, no heat. C) High temperature, stirring. D) High temperature, no stirring. Show Answer Correct Answer: C) High temperature, stirring. 44. Raoults law Works only for A) Solutions. B) Immiscible Liquids. C) Ideal Mixtures. D) Ideal Gases. Show Answer Correct Answer: C) Ideal Mixtures. 45. What does the solute dissolve in? A) Solvent. B) Mixture. C) Solute. D) None of the above. Show Answer Correct Answer: A) Solvent. 46. A substance with 2 or more materials mixed together in which each DO NOT keep their own physical properties. A) Solutions. B) Mixtures. C) Liquids. D) None of the above. Show Answer Correct Answer: A) Solutions. 47. Which of the following is an example of a mixture that is not a solution? A) Iced Tea. B) Lemonade. C) Trail Mix. D) Salt Water. Show Answer Correct Answer: C) Trail Mix. 48. If you dissolve 33.6 grams of KOH in water so that the total volume of the solution is 1.50 L, what is the molarity of the solution? A) 22.4 M. B) 0.4 M. C) 0.6 M. D) 0.9 M. Show Answer Correct Answer: B) 0.4 M. 49. Large deposits of salt are often found in deserts. For this salt to be usable, it must be separated from sand. If an engineer were designing a process to separate salt from sand, which of these differences would be the MOST useful? A) Salt and sand are different colors. B) Salt dissolves in water, but sand does not. C) Grains of sand are harder than grains of salt. D) Grains of salt and grains of sand have different shapes. Show Answer Correct Answer: B) Salt dissolves in water, but sand does not. 50. The ability to float A) Buoyancy. B) Boiling. C) Melting. D) Freezing. Show Answer Correct Answer: A) Buoyancy. 51. What goes up but never comes down? A) Height. B) Age. C) Future. D) None of the above. Show Answer Correct Answer: B) Age. 52. Gases are most soluble at ..... temperatures. A) High. B) Low. C) Medium. D) None of the above. Show Answer Correct Answer: B) Low. 53. A solution is the same as a A) Heterogenous mixure. B) Element. C) Compound. D) Homogeneous mixture. Show Answer Correct Answer: D) Homogeneous mixture. 54. Coin metals are normally made of this alloy A) Brass. B) Duralumin. C) Cupro-nickel. D) Pewter. Show Answer Correct Answer: C) Cupro-nickel. 55. Which of the following objects are soluble in water? A) Sand. B) Oil. C) Sugar. D) Iron Fillings. Show Answer Correct Answer: C) Sugar. 56. Why do sugar particles dissolve faster in hot water? A) Water particles stay on top. B) Water particles move fast. C) Water particles settle down. D) Water particles move slow. Show Answer Correct Answer: B) Water particles move fast. 57. A solution containing a large amount of solute ..... A) Dilute. B) Saturated. C) Concentrated. D) None of the above. Show Answer Correct Answer: C) Concentrated. 58. A solution is a ..... mixture. A) Homogeneous. B) Heterogeneous. C) Homogeneous and heterogeneous. D) Non homogeneous. Show Answer Correct Answer: A) Homogeneous. 59. If a system of linear equations has infinitely many solutions, what does this mean about the two lines? A) Intersecting lines. B) Same line. C) Parallel lines. D) None of the above. Show Answer Correct Answer: B) Same line. 60. Which sample, when dissolved in 1.0 liter of water, produces a solution with the lowest freezing point? A) 0.1 mol of C$_{2}$H$_{5}$OH. B) 0.1 mol of LiBr. C) 0.2 mol of C$_{6}$H$_{12}$O$_{6}$. D) 0.2 mol of CaCl$_{2}$. Show Answer Correct Answer: D) 0.2 mol of CaCl$_{2}$. ← 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 6Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 7Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books