This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part I > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Effect of pressure on solubility of gas in liquid A) Directly proportional. B) Inversely proportional. C) All the above. D) None of the above. Show Answer Correct Answer: A) Directly proportional. 2. In a solution of saltwater, what is the solvent? A) Ice. B) Water. C) Salt. D) The glass. Show Answer Correct Answer: B) Water. 3. Solid solutes are ..... soluble in a solvent when the solvent's temperature increases. A) More. B) Less. C) Just as. D) None of the above. Show Answer Correct Answer: A) More. 4. Find the solutions of the factored equation:x(x+3) = 0 A) X=0 and x=-3. B) X=0 and x=3. C) X=-3 and x=3. D) No solutions. Show Answer Correct Answer: A) X=0 and x=-3. 5. A solution that can hold more solute. A) Supersaturated Solution. B) Unsaturated Solution. C) Solvent. D) Saturated Solution. Show Answer Correct Answer: B) Unsaturated Solution. 6. What are the two parts of a solution? A) Solubility and mixture. B) Solvent and solute. C) Solvent and solving. D) Saturation and solute. Show Answer Correct Answer: B) Solvent and solute. 7. Causes liquids to dry up and the liquid turns into a gas leaving the dissolved solids behind ..... A) Saturation. B) Concentration. C) Evaporation. D) None of the above. Show Answer Correct Answer: C) Evaporation. 8. A dissolved solute that does not form ions is: A) A nonelectrolyte. B) A weak electrolyte. C) A strong electrolyte. D) Insoluble. Show Answer Correct Answer: A) A nonelectrolyte. 9. In paragraph 6, which word best describes the author's attitude about Super Stadium projects? A) Aggressive. B) Resentful. C) Cautionary. D) Cynical. Show Answer Correct Answer: C) Cautionary. 10. What will be the mixture that can produce in mixing copper and zinc? A) Brass. B) Steel. C) Iron. D) None of the above. Show Answer Correct Answer: A) Brass. 11. Molarity concentration is abbreviated as ..... A) Mol. B) MM. C) M. D) M. Show Answer Correct Answer: C) M. 12. Which of the following solubility rules is correct? A) All carbonates are soluble. B) All sulfates are insoluble. C) All nitrates are soluble. D) All hydroxides are soluble. Show Answer Correct Answer: C) All nitrates are soluble. 13. A student is given a beaker containing gravel and water. Which of these ways could the student NOT use to separate the gravel from the water? (5.5C) A) Boil the mixture to evaporate water. B) Use tweezers. C) Pass a magnet over the mixture. D) Pour the mixture through a paper filter. Show Answer Correct Answer: C) Pass a magnet over the mixture. 14. Factor9x$^{2}$-6x-8 A) (3x-2)(3x-4). B) (3x+2)(3x-4). C) (x-1)(9x+8). D) (3x+2)(3x+4). Show Answer Correct Answer: B) (3x+2)(3x-4). 15. 4(x-5) + 3 = 2(2x + 9) A) One solution. B) No solution. C) Infinitely many solutions. D) None of the above. Show Answer Correct Answer: B) No solution. 16. What type of solution contains more dissolved solute than it can hold at a given temperature? A) Unsaturated. B) Saturated. C) Supersaturated. D) None of the above. Show Answer Correct Answer: C) Supersaturated. 17. The author's message about life is known as the story's- A) Main conflict. B) Purpose. C) Summary. D) Theme. Show Answer Correct Answer: D) Theme. 18. When a substance will not dissolve in water: A) Moleculear. B) Ionic. C) Soluble. D) Insoluble. Show Answer Correct Answer: D) Insoluble. 19. Which one of the following solids is insoluble (not soluble) in water? A) Sugar. B) Sand. C) Copper sulfate. D) Salt. Show Answer Correct Answer: B) Sand. 20. What is the molarity of 4 g of NaCl (MM=58.45) in 3, 800 mL of solution? A) 1.052 M. B) 0.018 M. C) 0.0011 M. D) 0.062 M. Show Answer Correct Answer: B) 0.018 M. 21. Sodium hydroxide, NaOH will dissolve in water and will produce ions. Which of the following are true? A) NaOH is insoluble. B) NaOH does not dissolve in water. C) NaOH is a non-electrolyte. D) NaOH will conduct electricity. Show Answer Correct Answer: D) NaOH will conduct electricity. 22. In a cup of Kool-Aid, the solute is the A) Kool-AId. B) There is no solute in the solution. C) Water. D) The actual cup. Show Answer Correct Answer: A) Kool-AId. 23. True or False? The higher the concentration of a solution the less solutes it has in it. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. With a gaseous solute, 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: B) Decrease in solubility. 25. Henry scooped up a bucket of salt water that also had pebbles and sand. Select the answer that shows the tools in the order you would use to separate this mixture. A) Coffee filter, screen, evaporation dish. B) Screen, coffee filter, evaporation dish. C) Evaporation dish, screen, coffee filter. D) Magnet, coffee filter, screen. Show Answer Correct Answer: B) Screen, coffee filter, evaporation dish. 26. How many solutions would this system of equations have?6m+18=2m+18 A) No solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: B) One Solution. 27. Which do you think will dissolve first in the same amount of solvent and same temperature? (granulated sugar or powdered sugar) A) Granulated sugar. B) Powdered sugar. C) They will dissolve at the same time. D) None of the above. Show Answer Correct Answer: B) Powdered sugar. 28. Students accidentally dropped a mixture of sand and iron filings into a cup of water. How could they quickly separate these three substances? A) Pour the mixture into a funnel with a filter. B) Put the mixture on a hot plate to evaporate the water. C) Pour the mixture through a filter, then use a magnet. D) None of the above. Show Answer Correct Answer: C) Pour the mixture through a filter, then use a magnet. 29. A phase change can be observed at the molecular scale and can be explained at the macro-scale. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 30. Which of the following actions will NOTincrease the rate of dissolution(dissolving)? A) Stirring the solution. B) Increasing the temperature. C) Increasing the surface area of thesolute. D) Decreasing the temperature. Show Answer Correct Answer: D) Decreasing the temperature. 31. Which of the following is NOT TRUE about Heterogeneous Mixtures? A) They will settle out over time. B) Individual particles are often distinguishable. C) Solutions are a type of heterogenous mixture. D) Emulsions, Suspensions, and Collides are types of Heterogeneous Solutions. Show Answer Correct Answer: C) Solutions are a type of heterogenous mixture. 32. What is the difference between a mixture and a solution? A) Every mixtures is a solution but not every solution is a mixture. B) One mixture of 2+ substances and the other is a mixture of 3+ substances. C) Every solution is a mixture but not every mixture is a solution. D) Mixtures and solutions have no differences. Show Answer Correct Answer: C) Every solution is a mixture but not every mixture is a solution. 33. Which is the most concentrated solution? A) 10 g of salt in 200 ml of water. B) 20 g of salt in 100 ml of water. C) 50 g of salt in 100 ml of water. D) 20 g of salt in 200 ml of water. Show Answer Correct Answer: C) 50 g of salt in 100 ml of water. 34. Which question is answered in paragraph 3? A) When did manga become widely popular?. B) How many siblings did Osamu Tezuka have?. C) Who invented the manga art form?. D) How often would Osamu Tezuka sketch pictures?. Show Answer Correct Answer: B) How many siblings did Osamu Tezuka have?. 35. GAS CHANGES INTO LIQUID A) MELTING. B) CONDENSATION. C) EVAPORATION. D) FREEZING. Show Answer Correct Answer: B) CONDENSATION. 36. What could you do to increase the concentration of a solution? A) Add more solvent. B) Pour out some of the solution. C) Pour it into a larger container. D) Add more solute. Show Answer Correct Answer: D) Add more solute. 37. During osmosis, flow of water through a semipermeable membrane is A) From both sides of semipermeable membrane with equal flow rates. B) From both sides of semipermeable membrane with unequal flow rates. C) From solution having lower concentration only. D) From solution having higher concentration only. Show Answer Correct Answer: C) From solution having lower concentration only. 38. Which is the term for a solution consisting of one or more substances dissolved in water? A) Colloid. B) Aqueous solution. C) Heterogeneous mixture. D) Solute. Show Answer Correct Answer: B) Aqueous solution. 39. The kids caught a contagious cold. This is an example of- A) Alliteration. B) Repetition. C) Rhyme. D) Onomatopoeia. Show Answer Correct Answer: A) Alliteration. 40. Iron sulfide is a ..... because it is ..... A) Mixture, not chemically bonded. B) Element, chemically bonded. C) Compound, chemically bonded. D) Compound, not chemically bonded. Show Answer Correct Answer: C) Compound, chemically bonded. 41. Which of the following pairs of solution are isotonic at the same temperature? A) 0.1 M Ca(NO$_{3}$ ) $_{2}$ and 0.1 M Na$_{2}$ SO$_{4}$. B) 0.1 M NaCl and 0.1 M Na$_{2}$ SO$_{4}$. C) 0.1 M urea and 0.1 M MgCl$_{2}$. D) 0.2 M urea and 0.1 M NaCl. Show Answer Correct Answer: A) 0.1 M Ca(NO$_{3}$ ) $_{2}$ and 0.1 M Na$_{2}$ SO$_{4}$. 42. If a solution has a very low pH, the hydroxide concentration is ..... A) Very high. B) Very low. C) Zero. D) None of the above. Show Answer Correct Answer: B) Very low. 43. A state of matter in which a substance has neither a definite shape or volume A) Liquid. B) Gas. C) Solid. D) Viscosity. Show Answer Correct Answer: B) Gas. 44. Mixture of two or more substances; dissolved particles are spread evenly throughout the mixture A) Solute. B) Solution. C) Mixture. D) Solvent. Show Answer Correct Answer: B) Solution. 45. Tea and air are examples of ..... A) Solutions. B) Suspensions. C) Colloids. D) None of the above. Show Answer Correct Answer: A) Solutions. 46. How many solutions does the following equation have?-5 + 7x = 7x + 5 A) One Solution. B) No Solutions. C) Infinitely Many Solutions. D) None of the above. Show Answer Correct Answer: B) No Solutions. 47. A type of mixture where the particles are larger than those in a solution but not heavy enough to settle out. A) Colloid. B) Compound. C) Homogeneous mixture. D) Suspension. Show Answer Correct Answer: A) Colloid. 48. What makes a solution a STRONG electrolyte? A) A solution that contains a solute that fully ionizes in water. B) A solution that contains a solute that partially ionizes in water. C) A solution that contains a solute that doesn't ionize in water. D) A solution that is a solid at room temperature. Show Answer Correct Answer: A) A solution that contains a solute that fully ionizes in water. 49. On dissolving sugar in water at room temperature solution feels cool to touch.Under which of the following cases dissolution of sugar will be most rapid? A) (iv) Powdered sugar in hot water. B) (ii) Sugar crystals in hot water. C) (i) Sugar crystals in cold water. D) (iii) Powdered sugar in cold water. Show Answer Correct Answer: A) (iv) Powdered sugar in hot water. 50. If a solution of AlCl$_{3}$ is prepared with a concentration of 2.5 mol/L, the [Cl$^{-}$] in solution is: A) 5.00 M. B) 7.50 M. C) 2.50 M. D) 1.25 M. Show Answer Correct Answer: B) 7.50 M. 51. $2\left(m+3\right)=2m+12$ A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: A) No Solution. 52. This is the part of a solution that dissolves A) Solvent. B) Solution. C) Mixture. D) Solute. Show Answer Correct Answer: D) Solute. 53. Does the solute particles scatter beam of light? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 54. $^{Find the solution to the equation:}$$^{-13 + 5a = 3(a-3)}$ A) A = 5. B) A = 9. C) A = 0. D) A = 2. Show Answer Correct Answer: D) A = 2. 55. Which technique could increase or speed up the rate of dissolving? A) Allowing the mixture to settle. B) Stirring the mixture. C) Adding more powder. D) Adding more water. Show Answer Correct Answer: B) Stirring the mixture. 56. SALT+ WATER can be separated bu using the method of- A) FILTRATION. B) EVAPORATION. C) SEDIMENTATION and DECANTATION. D) None of the above. Show Answer Correct Answer: B) EVAPORATION. 57. Colligative property depends on A) Nature of solute particles dissolved in solution. B) Number of solute particles in solution. C) Physical property of the solute particles. D) Nature of solvent particles. Show Answer Correct Answer: B) Number of solute particles in solution. 58. Substance that dissolves the solute A) Saturation. B) So. C) Solvent. D) Solution. Show Answer Correct Answer: C) Solvent. 59. .... High temperature increases solubility of A) Oil in water. B) Salts in water. C) Sugar in water. D) Non of the above. Show Answer Correct Answer: C) Sugar in water. 60. In chemistry, a "mole" is: A) The mass of an atom. B) A large number used to count particles. C) Based on the volume of a substance. D) None of the above. Show Answer Correct Answer: B) A large number used to count particles. ← 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