This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In an experiment, a student adds sugar to a cup of tea and stirs it. What is the role of sugar in this solution? A) Solvent. B) Solute. C) Precipitate. D) Catalyst. Show Answer Correct Answer: B) Solute. 2. Polar molecules tend to dissolve ..... molecules A) Polar. B) Non-polar. C) All molecular compounds. D) All ionic compounds. Show Answer Correct Answer: A) Polar. 3. When a Koolaid mix in water is dark in color and very sweet it is a ..... solution. A) Concentrated. B) Diluted. C) All the above. D) None of the above. Show Answer Correct Answer: A) Concentrated. 4. Which of the following will NOT dissolve in water? A) Salt. B) Rocks. C) Apple juice. D) None of the above. Show Answer Correct Answer: B) Rocks. 5. The amount of space in an object. A) Density. B) Volume. C) Saturation. D) None of the above. Show Answer Correct Answer: B) Volume. 6. How do we get mass from moles? A) Multiply by avogadro's number. B) Multiply by molar mass. C) Divide by avogadro's number. D) Divide by molar mass. Show Answer Correct Answer: B) Multiply by molar mass. 7. How would you separate a mixture of sand and salt? A) Mix them with water and let the water evaporate. B) Mix them with water, pour the mixture through a sieve, then let the water evaporate. C) Heat the sand and salt mixture for 5 minutes, then let it cool. D) I would not do any of these because none of these options would work. Show Answer Correct Answer: B) Mix them with water, pour the mixture through a sieve, then let the water evaporate. 8. Solutions in which electric currents cannot run through are said to be A) Noncolloidal. B) Electrolytes. C) Nonelectrolytes. D) Conductors. Show Answer Correct Answer: C) Nonelectrolytes. 9. Which of the following is dilute? A) 10 g of sugar in 10g of water. B) 10 g of sugar in 20 g of water. C) 20g of sugar in 20 g of water. D) 20 g of sugar in 10 g of water. Show Answer Correct Answer: B) 10 g of sugar in 20 g of water. 10. What type of compound is more likely to be an electrolyte? A) Covalent compound. B) Ionic compound. C) Metallic compound. D) Molecular compound. Show Answer Correct Answer: B) Ionic compound. 11. In comparison to a 0.01 M solution of glucose, the depression in freezing pointof a 0.01 M MgCl2 solution is ..... A) The same. B) About twice. C) About three times. D) About six times. Show Answer Correct Answer: C) About three times. 12. Which of the following is an example of a solution? A) Cooked flour. B) Marshmallow. C) Sea water. D) Blood. Show Answer Correct Answer: C) Sea water. 13. Soup has ingredients in it that dissolve. True or False A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. I broke my mom's cell phone and had to buy her a new one. 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: A) Problem. 15. -2(3m + 6) =-3(4 +2m) A) No Solution. B) One Solution. C) Infinite Solution. D) None of the above. Show Answer Correct Answer: C) Infinite Solution. 16. Which of the following will conduct electricity when dissolved to make a solution? A) KCl. B) NH$_{3}$. C) CO$_{2}$. D) C$_{12}$H$_{22}$O$_{11}$. Show Answer Correct Answer: A) KCl. 17. What happens to the solubility of a typical solid solute as temperature increases? A) The solubility decreases. B) The solubility increases. C) The solubility remains the same. D) There is no way to know without knowing which exact solute. Show Answer Correct Answer: B) The solubility increases. 18. Write dissociation equations for the following electrolytes. Show physical states of all species involved!ZnCl$_{2}$ A) ZnCl$_{2(s)}$ $\rightarrow$ Zn$^{2+}$$_{(aq) }$+ Cl$^{-}$$_{(aq)}$. B) ZnCl$_{2(s)}$ $\rightarrow$ Zn$^{+}$$_{(aq) }$+ 2Cl$^{-}$$_{(aq)}$. C) ZnCl$_{2(s)}$ $\rightarrow$ Zn$^{2+}$$_{(aq) }$+ 2Cl$^{-}$$_{(aq)}$. D) ZnCl$_{2(s)}$ $\rightarrow$ Zn$^{+}$$_{(aq) }$+ Cl$^{-}$$_{(aq)}$. Show Answer Correct Answer: C) ZnCl$_{2(s)}$ $\rightarrow$ Zn$^{2+}$$_{(aq) }$+ 2Cl$^{-}$$_{(aq)}$. 19. Solve for x:4(1-x)+3x=-2(x+1) A) X =-6. B) X = 6. C) X = 3. D) None of the above. Show Answer Correct Answer: A) X =-6. 20. Deirdre found that a linear equation with one variable (the variable x) can be transformed into an equivalent equation. x = 5Determine 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. 21. What process results from the spreading of sugar particles throughout water? A) Mixing. B) Melting. C) Dissolving. D) Distributing. Show Answer Correct Answer: C) Dissolving. 22. How well two or more substances mix together A) Solution. B) Mixture. C) Miscibility. D) Solvent. Show Answer Correct Answer: C) Miscibility. 23. What do solutions that conduct electricity contain that differentiates them fromsolutions that do not conduct electricity? A) Molecules. B) Atoms. C) Free-moving ions. D) Solutes. Show Answer Correct Answer: C) Free-moving ions. 24. What is the molality of a solution in which 3.0 moles of NaCl is dissolved in 1.5 Kg of water? A) 2.0 M. B) 0.22 m. C) 135 m. D) 2.0m. Show Answer Correct Answer: D) 2.0m. 25. What a character has to face in a story or text (an issue) is called a ..... A) Solution. B) Problem. C) All the above. D) None of the above. Show Answer Correct Answer: B) Problem. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part I) Chapter 2 Solutions Quiz 1Class 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 9Class 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