This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part I > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Lucy was so excited when she was invited to the sleepover with the popular girls. She just knew the night would be filled with fun, girl-bonding activities. Unbeknownst to her, the girls had other plans. This is an example of- A) Theme. B) Foreshadowing. C) Irony. D) Initiating event. Show Answer Correct Answer: B) Foreshadowing. 2. The sugar cubes are called the A) Solute. B) Solvent. C) All the above. D) None of the above. Show Answer Correct Answer: A) Solute. 3. The cell theory is ..... A) All living organisms are composed of at least one cell. B) Building blocks of life. All cells come from. C) All of the above. D) Cells arise only from previously existing cells. Show Answer Correct Answer: C) All of the above. 4. The part of the solution that is present in the larger amount would be the ..... A) Solute. B) Substance. C) Solution. D) Solvent. Show Answer Correct Answer: D) Solvent. 5. What is the definition of agitation? A) Stirring, shaking, mixing. B) The measure of hotness or coldness. C) The area of the chemical components used in a reaction. D) A homogeneous mixture. Show Answer Correct Answer: A) Stirring, shaking, mixing. 6. What is the definition of temperature? A) A homogeneous mixture. B) The measure of hotness or coldness. C) The area of the chemical components used in a reaction. D) Stirring. Show Answer Correct Answer: B) The measure of hotness or coldness. 7. Students were preparing an experiment to determine the differences between a mixture and a solution. Before the experiment started, one student said, "I think the chicken broth is a solution." This statement was an example of- A) An observation. B) A conclusion. C) A hypothesis. D) An inference. Show Answer Correct Answer: C) A hypothesis. 8. Is a smoothie a mixture? A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: A) No. 9. Simplify each equation. Tell whether the equation has one, no, or infinite solutions.5x + 6 = 2 + 3x A) One. B) No solutions. C) Infinite solutions. D) None of the above. Show Answer Correct Answer: A) One. 10. A student made a mixture using equal amounts of salt and pepper. The salt grains were the same size as the pepper grains. What should the student do to most easily separate the pepper from the salt? (5.5B) A) Use a pair of tweezers to remove each grain of pepper. B) Run a small magnet through the mixture to attract the pepper. C) Put the mixture in water and filter the pepper out of the water. D) Use a strainer with a fine wire screen to remove the pepper. Show Answer Correct Answer: C) Put the mixture in water and filter the pepper out of the water. 11. Can the particles of Solution be seen by our naked eyes A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 12. The unit of measurement for molarity is A) Molal. B) Molat. C) Moles. D) Molar. Show Answer Correct Answer: D) Molar. 13. Solve:10x + 3 + 3x = 5x + 1 + 8x + 2 A) X = 3. B) Infinitely many solutions. C) No solutions. D) X =-3. Show Answer Correct Answer: B) Infinitely many solutions. 14. An equation has no solution 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: A) The variable is eliminated and we are left with something false (like 2=3). 15. Which of the following compounds would you expect to be most soluble in water? A) Benzene (C6H6). B) Methane (CH4). C) Ethanol (C2H5OH). D) Carbon tetrachloride (CCl4). Show Answer Correct Answer: C) Ethanol (C2H5OH). 16. The pH actually measures: A) The concentration of hydrogen ions. B) The strength of a base. C) The strength of hydrogen ions. D) The strength of an acid. Show Answer Correct Answer: A) The concentration of hydrogen ions. 17. 14p-8 = 22 + 20p A) -5. B) 5. C) 30. D) None of the above. Show Answer Correct Answer: A) -5. 18. The substance that does the dissolving A) Miscibility. B) Solvent. C) Solution. D) Solute. Show Answer Correct Answer: B) Solvent. 19. What is the molality of a solution containing 1.3 mol in 13.4 kg of solution? A) 9.7 m. B) 17.42 m. C) 0.097 m. D) None of the above. Show Answer Correct Answer: C) 0.097 m. 20. If a person tries to dissolve more sugar into his glass of iced tea, why might the sugar NOT dissolve quickly? A) Sugar doesn't dissolve in water. B) There was too much water. C) There wasn't enough sugar. D) The water was too cold. Show Answer Correct Answer: D) The water was too cold. 21. According to Mr. Edmonds aqueous solutions are ..... A) Heterogeneous. B) Transparent. C) Explosive. D) Squishy. Show Answer Correct Answer: B) Transparent. 22. What is a substance dissolved BY in a solution? A) Solute. B) Saturation. C) Solvent. D) Suspension. Show Answer Correct Answer: C) Solvent. 23. Why do solids expand when they are heated? A) The particles get bigger. B) The particles vibrate more and take up more space. C) The particles vibrate more and get closer together. D) The particles stick together. Show Answer Correct Answer: B) The particles vibrate more and take up more space. 24. When we put a substance in water and stir it to see if it dissolves we are testing for ..... A) Solubility. B) Relative Density. C) Temperature. D) Mass. Show Answer Correct Answer: A) Solubility. 25. The units of protein are A) Fatty acid. B) Amino acids. C) Glucose. D) Peptides. Show Answer Correct Answer: B) Amino acids. 26. A beaker of uncovered salt water is left in the lab. What happens to the conductivity after a week? A) The conductivity increases, since the concentration decreases as the water evaporates. B) The conductivity increases, since the concentration increases as the water evaporates. C) The conductivity decreases, since the concentration increases as the water evaporates. D) The conductivity decreases since the concentration decreases as the water evaporates. Show Answer Correct Answer: B) The conductivity increases, since the concentration increases as the water evaporates. 27. What happens to the concentration and conductivity, when you increase the amount of solvent in a solution? A) The concentration increases and conductivity increases. B) The concentration increases and the conductivity decreases. C) The concentration decreases and the conductivity decreases. D) The concentration decreases and the conductivity increases. Show Answer Correct Answer: C) The concentration decreases and the conductivity decreases. 28. When a powdered drink mix was added to water, the liquid turned orange. A student decided the taste was too strong, so he poured out half of the liquid and added more water. Which of the following most likely occurred when more water was added? (5.5C) A) The physical state changed. B) The orange color became lighter. C) The liquid had a sweeter taste. D) None of the above. Show Answer Correct Answer: B) The orange color became lighter. 29. Which symbiotic relationship is described by one individual benefiting and the other being neither harmed nor benefited? A) Parasitism. B) Competition. C) Mutualism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 30. True or FalseThe rate of dissolving of a solute in a solvent is faster when the solute and solvent are stirred. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 31. Solve:3(x-2) = 3x-6 A) X = 6. B) X =-6. C) No solutions. D) Infinitely many solutions. Show Answer Correct Answer: D) Infinitely many solutions. 32. A combination of 2 or more substances and the physical properties are maintained is called- A) A solute. B) A mixture. C) A solvent. D) A solution. Show Answer Correct Answer: B) A mixture. 33. The heavier liquid floats on the lighter liquid. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 34. Calculate the Molarity in a solution containing 40.0 g of NaCl dissolved in 500.0 ml of H2O. A) 0.08 M. B) 12.5 M. C) 0.74 M. D) 1.37 M. Show Answer Correct Answer: D) 1.37 M. 35. A combination of two or more substances that cannot easily be separated ..... A) Solvent. B) Mixture. C) Solution. D) Solute. Show Answer Correct Answer: C) Solution. 36. The two components of a solution are the solute and solvent. Which statement describes the solute? A) It is the solid formed in the solution. B) It is the liquid component of the solution. C) It is typically the component of a solution in smaller quantity. D) It is typically the component of a solution in larger quantity. Show Answer Correct Answer: C) It is typically the component of a solution in smaller quantity. 37. Which of the following is NOT a characteristic of HETEROGENEOUS MIXTURE? A) We CAN'T judge by just seeing it. B) Non-uniform in composition. C) We CAN judge by just seeing it. D) None of the above. Show Answer Correct Answer: A) We CAN'T judge by just seeing it. 38. Considering the formation, breaking and strength of hydrogen bond, predict which of the following mixtures will show a positive deviation from Raoult's law? (i) Methanol and acetone. (ii) Chloroform and acetone. (iii) Nitric acid and water. (iv) Phenol and aniline. A) (i) Methanol and acetone. B) (ii) Chloroform and acetone. C) (iii) Nitric acid and water. D) (iv) Phenol and aniline. Show Answer Correct Answer: A) (i) Methanol and acetone. 39. Which of the following is NOT an electrolyte? A) CH3CH2OH. B) CrCl3. C) KOH. D) KI. Show Answer Correct Answer: A) CH3CH2OH. 40. In a solution of 0.2 M sodium bromide, the solvent is the A) Sodium. B) Bromide. C) Sodium bromide. D) Water. Show Answer Correct Answer: D) Water. 41. Describe a solute. A) Part of solution present in largest amount. B) Gets dissolved. C) Water. D) Surrounds and breaks apart. Show Answer Correct Answer: B) Gets dissolved. 42. The process of dissolving a substance in solution A) Salvation. B) Solvation. C) Salvution. D) Solvotion. Show Answer Correct Answer: B) Solvation. 43. What does it mean to be "Soluble" ? A) To have soul. B) Capable of being a solid. C) To sink. D) Capable of being dissolved. Show Answer Correct Answer: D) Capable of being dissolved. 44. Which of the following is NOT an example of a strong electrolyte? A) Soluble Ionic Compounds. B) Strong Bases. C) Strong Acids. D) Covalent Compounds. Show Answer Correct Answer: D) Covalent Compounds. 45. A mixture that is unevenly mixed. (You can see the parts) A) Concentration. B) Solubility. C) Homogeneous mixture. D) Heterogeneous mixture. Show Answer Correct Answer: D) Heterogeneous mixture. 46. Solids are most soluble at ..... temperatures. A) High. B) Low. C) Medium. D) None of the above. Show Answer Correct Answer: A) High. 47. Which solution below has the highest boiling point? A) AlCl$_{3}$ 1 M. B) C$_{6}$H$_{12}$O$_{6}$ 1 M. C) CaCl$_{2}$ 1 M. D) NaCl 1 M. Show Answer Correct Answer: A) AlCl$_{3}$ 1 M. 48. . fast of solute dissolve in solution increases by: A) Crushing the solute. B) Increase temperature. C) Stirring the solution. D) All the above. Show Answer Correct Answer: D) All the above. 49. Gustavo found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation. x = x 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: A) Infinitely Many Solutions. 50. Solute particles in aqueous solution are either ionic compounds that form A) Particles. B) Element. C) Molecules. D) Ions. Show Answer Correct Answer: D) Ions. 51. What is the definition of surface area? A) Stirring, shaking, mixing. B) The measure of hotness or coldness. C) The area of the chemical components used in a reaction. D) A homogeneous mixture. Show Answer Correct Answer: C) The area of the chemical components used in a reaction. 52. MUD + WATER can be separated by using this method- A) EVAPORATION. B) SEDIMENTATION AND DECANTATION. C) All the above. D) None of the above. Show Answer Correct Answer: B) SEDIMENTATION AND DECANTATION. 53. Solution of hydrogen in palladium is an example of A) Liquid in solid solution. B) Gas in solid solution. C) Gas in liquid solution. D) None of the above. Show Answer Correct Answer: B) Gas in solid solution. 54. A solution that has more solute than it can hold is called A) Suspension. B) Unsaturated. C) Supersaturated. D) Saturated. Show Answer Correct Answer: C) Supersaturated. 55. A special mixture formed when a material dissolves in water ..... A) Solution. B) Mixture. C) Model. D) None of the above. Show Answer Correct Answer: A) Solution. 56. When a certain amount of solvent cannot hold any more solute it is called a ..... solution. A) Diluted. B) Unsaturated. C) Supersaturated. D) Saturated. Show Answer Correct Answer: C) Supersaturated. 57. Some materials have less solubility with higher temperature A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 58. Which of the following is the best description of the changes that you would measure if you dissolved 25cm$^{3}$ of a salt into 250mL of water? A) The mass of the solution would increase. B) The volume of the solution would increase. C) The density of the solution would increase. D) The mass and density of the solution would increase. Show Answer Correct Answer: D) The mass and density of the solution would increase. 59. Solid, liquid and gas are examples of? A) Phases. B) Refute. C) Scale. D) Temperature. Show Answer Correct Answer: A) Phases. 60. A mixture in which one substance is dissolved by another substance. A) Saturation. B) Suspension. C) Solution. D) Solvent. Show Answer Correct Answer: C) Solution. ← 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books