This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part I > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following has components in a uniform arrangement? A) Suspensions. B) Heterogeneous mixture. C) Solutions. D) Colloids. Show Answer Correct Answer: C) Solutions. 2. When you measure how fast a solute dissolves, you are measuring the A) Amount of particle movement. B) Rate of particle movement. C) Amount of dissolving. D) Rate of dissolving. Show Answer Correct Answer: D) Rate of dissolving. 3. What does it mean when an equation has one solution? A) The equation is always TRUE when any value is substituted in for the variable. B) The equation will NEVER be true when any value is substituted in for the variable. C) Only ONE solution will make the equation true. D) None of the above. Show Answer Correct Answer: C) Only ONE solution will make the equation true. 4. In a saltwater solution, what role does water play? A) Solvent. B) Precipitate. C) Solute. D) Catalyst. Show Answer Correct Answer: A) Solvent. 5. Which of the following kind of compounds would be expected to NOT dissolve in water? A) Polar covalent solid. B) Ionic solid. C) Purely covalent solid (nonpolar). D) None of the above. Show Answer Correct Answer: C) Purely covalent solid (nonpolar). 6. A beaker contains a solution of substance 'A'. Precipitation of substance 'A' takes place when small amount of 'A' is added to the solution. The solution is ..... A) (i) saturated. B) (iv) concentrated. C) (ii) supersaturated. D) (iii) unsaturated. Show Answer Correct Answer: C) (ii) supersaturated. 7. Phillip found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation. 3x = 4xDetermine 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. 8. Knowing the particle size of the materials in a mixture helps you know ..... A) Which tools to use to separate them. B) What the crystals will look like after evaporation. C) How much the mixture will weigh. D) Whether one of the materials will dissolve. Show Answer Correct Answer: A) Which tools to use to separate them. 9. Which of the following pairs is an example of onomatopoeia? A) Gurgle and babble. B) Flow and flower. C) Serve and protect. D) None of the above. Show Answer Correct Answer: A) Gurgle and babble. 10. Which organelle uses energy from sunlight to make sugar? A) Mitochondria. B) Vacuoles. C) Chloroplasts. D) Nucleus. Show Answer Correct Answer: C) Chloroplasts. 11. A solution that is not concentrated is A) Dilute. B) Dense. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dilute. 12. When 11.0 g of CaCl$_{2}$ dissolves in 45.0 g of water, what is the boiling point of the solution? (K$_{b}$ = 0.512 $^{o}$C/m) A) 3.4. B) 103.4. C) 1.1. D) 101.1. Show Answer Correct Answer: B) 103.4. 13. I dropped my cup of juice on the floor so I cleaned it up with a mop. 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: B) Solution. 14. Factor completely.5x$^{2}$-7x + 2 A) (5x-2)(x + 1). B) (7x-1)(x-4). C) (5x-2)(x-1). D) 5(x-2)(x + 1). Show Answer Correct Answer: C) (5x-2)(x-1). 15. Which of the following aqueous solutions should have the highest boiling point? A) 1.0 M KNO3. B) 1.0 M Na2SO4. C) 1.0 M NaOH. D) 1.0 M NH4NO3. Show Answer Correct Answer: B) 1.0 M Na2SO4. 16. Which of the following does not dissolve in benzene A) Naphthalene. B) Anthracene. C) Glucose. D) All are correct. Show Answer Correct Answer: C) Glucose. 17. Identify the non aqueous solution. A) Sulphur in carbon-di-sulphide. B) Copper sulphate in water. C) Sodium chloride in water. D) Glucose in water. Show Answer Correct Answer: A) Sulphur in carbon-di-sulphide. 18. Is water the only solvent that can dissolve solutes? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 19. Water and salt are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both? A) Water. B) Salt. C) Sugar. D) Coffee. Show Answer Correct Answer: A) Water. 20. Which of the following mixture that may produce buffer solution to work at pH of below 7? A) KOH + NaCH$_{3}$COO. B) HCOOH + CH$_{3}$COOH. C) NaOH (in excess) + HCN. D) KOH + HF (in excess). Show Answer Correct Answer: D) KOH + HF (in excess). 21. Choose the ideal solution from the following A) Carbon disulphide and acetone. B) Chloroform and acetone. C) Ethyl iodide and ethyl bromide. D) None of the above. Show Answer Correct Answer: C) Ethyl iodide and ethyl bromide. 22. Substances that don't dissolve are A) Melt-able. B) Insoluble. C) Soluble. D) Dissolvable. Show Answer Correct Answer: B) Insoluble. 23. When x = 13* in the equation61-m = 50 61-( ) = 50IS IT TRUE OR FALSE? A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 24. What is the missing information that would make the statement true for NO solution?3x + 5 = ..... x-5 A) 0. B) 5. C) -5. D) 3. Show Answer Correct Answer: D) 3. 25. A solute whose water solution conducts electricity is called a(n) A) Nonconductor. B) Electrolyte. C) Nonelectrolyte. D) Aqueous solution. Show Answer Correct Answer: B) Electrolyte. 26. The part of a solution that dissolves. A) Mixture. B) Liquid. C) Solute. D) Solvent. Show Answer Correct Answer: C) Solute. 27. A student pours mineral salts into a bottle of cold water. Which of the following best explains why shaking the bottle will affect the dissolving rate of the salt? A) Shaking helps more water evaporate. B) Shaking equalizes the water temperature. C) Shaking causes more ions to precipitate out of solution. D) Shaking exposes the salts to the solvent more quickly. Show Answer Correct Answer: D) Shaking exposes the salts to the solvent more quickly. 28. Which of these solutions has more solute than it can hold? A) Suspension. B) Unsaturated. C) Supersaturated. D) Saturated. Show Answer Correct Answer: C) Supersaturated. 29. How many solutions does this equation have? $2x+3=x-4$ A) Always. B) Sometimes. C) Never. D) None of the above. Show Answer Correct Answer: B) Sometimes. 30. What is the molar mass of H$_{2}$O? A) 16 grams. B) 6.02 x 10$^{23}$. C) 15.99999 grams. D) 18 grams. Show Answer Correct Answer: D) 18 grams. 31. If my work says 3x = 1, what is the value of x? A) One Solution x = 1. B) One Solution x = 1/3. C) No Solution. D) One Solution, x = 3. Show Answer Correct Answer: B) One Solution x = 1/3. 32. Which of the following substances would conduct electricity if dissolved in water to form a solution? A) CH$_{4}$. B) CO$_{2}$. C) C$_{6}$H$_{12}$O$_{6}$. D) KI. Show Answer Correct Answer: D) KI. 33. A solution that has more than the maximum amount of solute dissolved in the solvent is called ..... A) Suspension. B) Saturated. C) Supersaturated. D) Unsaturated. Show Answer Correct Answer: C) Supersaturated. 34. The molarity of pure water is A) 50M. B) 55.6M. C) 18M. D) 100M. Show Answer Correct Answer: B) 55.6M. 35. Colligative properties depend on the ..... of the solute but not the ..... of the solute. A) Identity; concentration. B) Reactivity; nature. C) Concentration; identity. D) Nature; reactivity. Show Answer Correct Answer: C) Concentration; identity. 36. OIL+WATER is an example of- A) MISCIBLE LIQUIDS. B) IMMISCIBLE LIQUIDS. C) INSOLUBLE SUBSTANCES. D) None of the above. Show Answer Correct Answer: B) IMMISCIBLE LIQUIDS. 37. You and your friend have a contest to see who can make sweet iced tea the fastest. Which of the following would NOT help you win? A) Cooling the water. B) Using smaller sugar crystals. C) Heating the water. D) Stirring quickly. Show Answer Correct Answer: A) Cooling the water. 38. What would be the effect of increase in temperature on solubility of solid in liquid? A) Solubility increases if the process is endothermic. B) Cannot predict. C) Solubility decreses. D) Solubility increases if the process is exothermic. Show Answer Correct Answer: A) Solubility increases if the process is endothermic. 39. Oil does not dissolve when it is mixed with water. Oil is ..... A) Insoluble in water. B) Saturated in water. C) Soluble in water. D) All of the above. Show Answer Correct Answer: A) Insoluble in water. 40. Two or more materials stirred together ..... A) Solution. B) Mixture. C) Model. D) None of the above. Show Answer Correct Answer: B) Mixture. 41. Water becomes ..... changing from a solid to a liquid A) More dense & more kinetically chaged. B) Less dense & less kinetically charged. C) More dense & less kinetically charged. D) Less dense & more kinetically charged. Show Answer Correct Answer: A) More dense & more kinetically chaged. 42. Water can't dissolve ..... A) Sugar. B) Salt. C) Coffe. D) Oil. Show Answer Correct Answer: D) Oil. 43. How many solutions does this equation have?4y = 16 A) One Solution. B) No Solution. C) Many Solutions. D) None of the above. Show Answer Correct Answer: A) One Solution. 44. Does not dissolve in water A) Insoluble. B) Solvent. C) Solute. D) Soluble. Show Answer Correct Answer: A) Insoluble. 45. A solution that contains very little solute ..... A) Concentrated. B) Saturated. C) Dilute. D) None of the above. Show Answer Correct Answer: C) Dilute. 46. $-2\left(x+11\right)=-18$ A) No Solution. B) $x=-2$. C) Infinite Solutions. D) $x=2$. Show Answer Correct Answer: B) $x=-2$. 47. ( 3p + 1) = 6 ( 4 + p) A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: B) One Solution. 48. Metal is used to make electrical wires because ..... A) It is very expensive. B) It an insulator. C) It is very cheap. D) It is a conductor. Show Answer Correct Answer: D) It is a conductor. 49. What is a saturated solution? A) I can still dissolve more solute. B) I have dissolved as much solute as possible. C) I have dissolved more solute than possible. D) None of the above. Show Answer Correct Answer: B) I have dissolved as much solute as possible. 50. Aqueous solutions are best described as A) Homogeneous compounds. B) Heterogeneous mixtures. C) Heterogeneous compounds. D) Homogeneous mixtures. Show Answer Correct Answer: D) Homogeneous mixtures. 51. A solution that is able to dissolve additional solute is best described as A) Unsaturated. B) Saturated. C) Concentrated. D) Supersaturated. Show Answer Correct Answer: A) Unsaturated. 52. -4(3x + 2) = 3(-4x + 5) A) No Solution. B) One Solution. C) Infinite Solution. D) None of the above. Show Answer Correct Answer: A) No Solution. 53. How do you know when you have a saturated solution? A) You don't see anymore material in the solution. It has dissolved. B) The material dissolves and no more will dissolve because you see it collect at the bottom. C) The solution is bubbling and cloudy. D) The solution is clear and there is nothing at the bottom. Show Answer Correct Answer: B) The material dissolves and no more will dissolve because you see it collect at the bottom. 54. Which formula represents a polar molecule? A) CO$_{2}$. B) CCl$_{4}$. C) H$_{2}$. D) H$_{2}$O. Show Answer Correct Answer: D) H$_{2}$O. 55. What type of mixture is a Solution A) Heterogeneous. B) Homogeneous. C) Both. D) None of the above. Show Answer Correct Answer: B) Homogeneous. 56. What is the molarity of a solution that contains 125 g NaCl in 4.00 L of solution? A) 8.56 M NaCl. B) 0.535 M NaCl. C) 31.3 M NaCl. D) 2.14 M NaCl. Show Answer Correct Answer: B) 0.535 M NaCl. 57. An example for solid in liquid solution A) Ethanol in water. B) Sugar in water. C) Amalgam of mercury with sodium. D) None of the above. Show Answer Correct Answer: B) Sugar in water. 58. McGyver found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation. 14 =-14Determine 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: C) No Solution. 59. In Solublity of solid if liquid solvent increses., temperature A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: A) Increases. 60. The more solute you use, the more concentrated the solution is A) True. B) Depends on the temperature. C) False. D) Sometimes true. Show Answer Correct Answer: A) True. ← 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books