This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Water is considered polar due to: A) Its neutral poles. B) Its charged poles. C) The odd number of atoms involved. D) None of the above. Show Answer Correct Answer: B) Its charged poles. 2. Which of the following units is useful in relating concentration of solution with its vapour pressure? A) Mole fraction. B) Parts per million. C) Mass percentage. D) Molarity. Show Answer Correct Answer: A) Mole fraction. 3. What would you expected to happen as the concentration of electrolytes in asolution increases? A) An increase in the conductivity of the solution. B) A decrease in the conductivity of the solution. C) A decrease followed by an increase in the conductivity of the solution. D) The conductivity of the solution will remain the same. Show Answer Correct Answer: A) An increase in the conductivity of the solution. 4. Solve:1/3(2b + 9) = 2/3(b + 9/2) A) No Solution. B) X = 3. C) Infinitely Many Solutions. D) None of the above. Show Answer Correct Answer: C) Infinitely Many Solutions. 5. 8m+12=2(4m+6) A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: C) Infinite Solutions. 6. Ocean water is a solution? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. What is the percent by mass in the following solution:5g of sucrose in 90g of water? A) 4%. B) 5%. C) 6%. D) 7%. Show Answer Correct Answer: B) 5%. 8. What is the molarity of a solution containing 30g of Co(NO3)26H2O in 4.3L of solution? A) 0.1M. B) 0.2M. C) 0.5M. D) 1.0M. Show Answer Correct Answer: C) 0.5M. 9. A solution containing the maximum amount of solute that a solution can contain A) Solubility. B) Saturated. C) Unsaturated. D) None of the above. Show Answer Correct Answer: B) Saturated. 10. -5(2x-4) = 2(10-5x) A) No Solution. B) One Solution. C) Infinite Solution. D) None of the above. Show Answer Correct Answer: C) Infinite Solution. 11. A mixture of one substance dissolved evenly in another A) Mixture. B) Solution. C) Solute. D) Sieve. Show Answer Correct Answer: B) Solution. 12. Saturated, unsaturated, and supersaturated solutions are defined by how much ..... can dissolve in a solvent A) Sugar. B) Liquid. C) Solution. D) Solute. Show Answer Correct Answer: D) Solute. 13. A solution is A) A type of solid. B) A kind of mixture of two+ substances where one substance is dissolved in another. C) An answer to a problem. D) What you dissolve something in to get a mixture. Show Answer Correct Answer: B) A kind of mixture of two+ substances where one substance is dissolved in another. 14. (x-2)(3x+1) what are the solutions to this equation? A) X=2 and-1. B) X=-2 and 1. C) X= 2 and-3. D) X=2 and-1/3. Show Answer Correct Answer: D) X=2 and-1/3. 15. Solubility is defined as A) The ability to catch on fire. B) The ability to be dissolved. C) The ability to dissolved something else. D) None of the above. Show Answer Correct Answer: B) The ability to be dissolved. 16. To make a Kool-Aid solution less concentrated, which would you do? A) Add more solute. B) Add more solvent. C) Pour out some of the Kool-Aid. D) Add more solvent AND solute. Show Answer Correct Answer: B) Add more solvent. 17. A conductivity tester is placed in a solution of water and an unknown solute. The bulb doesn't light up. What can you determine about the unknown solute? A) It is an ionic compound. B) It is a metallic compound. C) It is a covalent compound. D) Not enough information is given to answer this question. Show Answer Correct Answer: C) It is a covalent compound. 18. Based on the equations for each line, determine how many solutions the system would have.y=2x+3y=-4x+3 A) Infinite Number of Solutions. B) No Solution. C) One Solution. D) None of the above. Show Answer Correct Answer: C) One Solution. 19. Solve:5x-14 = 8x + 4 A) 6. B) -6. C) -18/13. D) 10/3. Show Answer Correct Answer: B) -6. 20. How does knowing the solubility of substances is important? A) So that we can be familiar in the solute that we can use. B) So that we can add different solute in a given solvent. C) So that we don't overuse or waste the substance. D) None of the above. Show Answer Correct Answer: C) So that we don't overuse or waste the substance. 21. In a water molecule, which atom is left slightly negative? A) The two hydrogens. B) The oxygen. C) The carbon. D) The nitrogen. Show Answer Correct Answer: B) The oxygen. 22. When one of the parts of the solution is water we call it ..... A) Water stuff. B) Water mixture. C) Aqua-man. D) Aqueous. Show Answer Correct Answer: D) Aqueous. 23. Which list are the correct properties of iron? A) Non-magnetic, conductor, soluble. B) Magnetic, insoluble, insulator. C) Magnetic, insoluble, conductor. D) None of the above. Show Answer Correct Answer: C) Magnetic, insoluble, conductor. 24. The maximum amount of a solute that can dissolve in a solvent. A) Solubility. B) Solvent. C) Solute. D) Concentration. Show Answer Correct Answer: A) Solubility. 25. The term molar, which describes a solution's concentration, is written as? A) M. B) Mol. C) G. D) G/L. Show Answer Correct Answer: A) M. ← 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 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