This quiz works best with JavaScript enabled. Home > Class 12 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 3(x-2) + 1 = 3x-5 A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: C) Infinite Solutions. 2. Which is a good solution to this problem?I don't understand what we are doing in class. A) Ask your mom or dad about it. B) Ask your brother or sister about it. C) Ask your teacher about it. D) None of the above. Show Answer Correct Answer: C) Ask your teacher about it. 3. Cathy found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation. x =-6/7Determine 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. 4. Items in a ..... are difficult or impossible to pull apart. A) Mixture. B) Physical change. C) Solution. D) None of the above. Show Answer Correct Answer: C) Solution. 5. $7x-4=7x+12$ A) One solution. B) No solution. C) Infinite solutions. D) None of the above. Show Answer Correct Answer: B) No solution. 6. What things can be dissolved? A) Salt. B) Sand. C) Black pepper powder. D) None of the above. Show Answer Correct Answer: A) Salt. 7. Jessica wanted to ferment a fish. What type of salt solution she needs to prepare in order to conduct fermentation? A) Saturated. B) Suspension. C) Unsaturated. D) Supersaturated. Show Answer Correct Answer: D) Supersaturated. 8. When Koolaid mix is light colored and tastes watery it is a ..... solution. A) Saturated. B) Diluted. C) All the above. D) None of the above. Show Answer Correct Answer: B) Diluted. 9. Ernesto and Amanda fill two cups with water. They use hot water in one cup and cold water in the other cup. Next, they will stir a spoon of salt into each cup. In which cup will the salt dissolve more slowly? A) The salt will not dissolve in either cup. B) The salt dissolves more slowly in the hot water. C) The salt dissolves more slowly in the cold water. D) The salt dissolves at the same speed in both cups. Show Answer Correct Answer: C) The salt dissolves more slowly in the cold water. 10. What is the term for the process in which solvent molecules pass through a semipermeable membrane from a less concentrated solution to a more concentrated one? A) Diffusion. B) Osmosis. C) Dialysis. D) Filtration. Show Answer Correct Answer: B) Osmosis. 11. Calculate the freezing point of a solution made from 32.7 g of propane, C3H8, dissolved in 137.0 g of benzene, C6H6. The freezing point of benzene is 5.50$^\circ$ C and its Kf is 5.12$^\circ$ C/m. A) -22.2$^\circ$ C. B) -22.3$^\circ$ C. C) -22.4$^\circ$ C. D) -22.5$^\circ$ C. Show Answer Correct Answer: A) -22.2$^\circ$ C. 12. An atom that is electronegative will: A) Become slightly negative due to attraction of electrons. B) Become slightly positive due to attraction of electrons. C) Become slightly neutral due to attraction of electrons. D) Become slightly positive due to attraction of protons. Show Answer Correct Answer: A) Become slightly negative due to attraction of electrons. 13. A piece of copper is placed on a hot plate for one minute. When the copper is picked up with tweezers, the copper is as hot as the hot plate. The copper is said be a- A) Thermal energy insulator. B) Thermal energy conductor. C) Electrical magnet. D) Solid mixture. Show Answer Correct Answer: B) Thermal energy conductor. 14. Fruit Loops, pizza, and Skittles are examples of ..... mixtures. A) Heterogeneous. B) Homogeneous. C) Pure. D) None of the above. Show Answer Correct Answer: A) Heterogeneous. 15. Which of the following is a correct statement about the affect of temperature on the solubility of gases and solids? A) Solids solubility has a direct relationship with temperature, gases have an inverse. B) Gases solubility has a direct relationship with temperature, solids have an inverse. C) Both gaseous and solid solutes solubility is directly related to temperature. D) Both gaseous and solid solutes solubility is inversely related to temperature. Show Answer Correct Answer: A) Solids solubility has a direct relationship with temperature, gases have an inverse. 16. This is a mixture that will settle over time if you let it sit. A) Suspension. B) Colloid. C) Mix-Mix a lot. D) None of the above. Show Answer Correct Answer: A) Suspension. 17. When a compound held together by ionic bonds dissolves, the compound A) Releases molecules into the solution. B) Forms a suspension. C) Releases ions into the solution. D) Becomes nonpolar. Show Answer Correct Answer: C) Releases ions into the solution. 18. When two perfect solution with volume V each are combined, what is the volume of solution as a result A) V. B) 2V. C) Greater than 2V. D) Less than 2V. Show Answer Correct Answer: B) 2V. 19. When does a solution become a saturated? A) Crystals form. B) You need to stir it more. C) No additional material will dissolve in it. D) Two materials have combined to create a clear liquid. Show Answer Correct Answer: C) No additional material will dissolve in it. 20. Determine the mole fraction of SOLUTE in a solution with 2 moles of acetic acid C$_{2}$H$_{4}$O$_{2}$ and 2 moles of water. A) .5. B) .25. C) 1. D) .2. Show Answer Correct Answer: A) .5. 21. What is a solid? A) Particles that are tightly compacted. B) Particles that are not tightly compacted. C) All the above. D) None of the above. Show Answer Correct Answer: A) Particles that are tightly compacted. 22. True or False:Lipids are insoluble A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. With a solid 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: A) Increase in solubility. 24. The substance dissolved in a solution is called ..... A) Colloid. B) Solution. C) Solute. D) Solvent. Show Answer Correct Answer: C) Solute. 25. Which term is used to describe the concentration of a solution in terms of the number of moles of solute per kilogram of solvent? A) Molarity. B) Molality. C) Mole fraction. D) Mass percentage. Show Answer Correct Answer: B) Molality. ← PreviousNext →Related 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 8Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 10Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books