This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. To make thinner or weaker by adding a solvent such as water. A) Distilation. B) Dilute. C) Concentration. D) Saturate. Show Answer Correct Answer: B) Dilute. 2. A solution that can still dissolve more solute at a particular temperature. A) Heterogeneous solution. B) Saturated solution. C) Unsaturated solution. D) Homogeneous solution. Show Answer Correct Answer: C) Unsaturated solution. 3. At equilibrium the rate of dissolution of a solid solute in a volatile liquid solvent is ..... A) (i) less than the rate of crystallisation. B) (ii) greater than the rate of crystallisation. C) (iii) equal to the rate of crystallisation. D) (iv) zero. Show Answer Correct Answer: C) (iii) equal to the rate of crystallisation. 4. A 25% alcohol solution means A) 25 ml alcohol in 100 ml of water. B) 25 ml alcohol in 25 ml of water. C) 25 ml alcohol in 75 ml of water. D) 75 ml alcohol in 25 ml of water. Show Answer Correct Answer: C) 25 ml alcohol in 75 ml of water. 5. $2\left(x-2\right)=2x-4$ A) No Solution. B) Infinite Solutions. C) $x=8$. D) $x=-8$. Show Answer Correct Answer: B) Infinite Solutions. 6. What is the percent by mass of oxygen in MgO? A) 20%. B) 40%. C) 50%. D) 60%. Show Answer Correct Answer: B) 40%. 7. Find the solution to the equation:$^{25-5a =-5( a-4)}$ A) A = 0. B) A = 10. C) No Possible Solution. D) Many Possible Solutions. Show Answer Correct Answer: C) No Possible Solution. 8. Solubility of NaCl in 100 ml water is 36 g.If 25 g of salt is dissolved in 100 ml ofwater how much more salt is required forsaturation ..... A) 12 g. B) 11 g. C) 16 g. D) 20 g. Show Answer Correct Answer: B) 11 g. 9. A student makes a drink stirring lemon juice and sugar into a glass of water. Why is this drink considered a solution? A) The lemon juice and sugar change the taste of the water. B) The water changes the color. C) The lemon juice and sugar dissolve in the water. D) The student stirs the mixture. Show Answer Correct Answer: C) The lemon juice and sugar dissolve in the water. 10. $-24+20x=24+8x$ A) $x=4$. B) $x=-2$. C) No Solution. D) Infinite Solutions. Show Answer Correct Answer: A) $x=4$. 11. Which of the following actions will NOTincrease the rate of dissolution for a solid solute? A) Stirring the solution. B) Decreasing the temperature. C) Increasing the surface area of thesolute. D) Increasing the temperature. Show Answer Correct Answer: B) Decreasing the temperature. 12. Calculate the boiling point of a solution made from 227 g of MgCl2 dissolved in 700. g of water. What is the boiling point of the solution? Kb = 0.512$^\circ$ C/m. A) 105.24$^\circ$ C. B) 105.34$^\circ$ C. C) 105.44$^\circ$ C. D) 105.54$^\circ$ C. Show Answer Correct Answer: A) 105.24$^\circ$ C. 13. On dissolving sugar in water at room temperature, solution feels cools to touch . Under which of the following dissolution of sugar will be most rapid? A) Sugar crystal I cold water. B) Sugar crystal in hot water. C) Powdered sugar in cold water. D) Powdered sugar in hot water. Show Answer Correct Answer: D) Powdered sugar in hot water. 14. If you make a solution of Kool-Aid and it is too concentrated, what would be true about its taste? A) It would be too watery. B) It would taste just right. C) It would taste too sugary. D) It would be too salty. Show Answer Correct Answer: C) It would taste too sugary. 15. Which statement is true of any saturated solution at a given temperature? A) No more solute will dissolve in the solution. B) Adding more solute will increase the saturation. C) You can dissolve more solute if you stir the solution. D) One liter of the solution contains 2000 grams of solute. Show Answer Correct Answer: A) No more solute will dissolve in the solution. 16. What is true about a solution? A) Solutions are not mixtures. B) Solutions are mixtures. C) All mixtures are solutions. D) None of the above. Show Answer Correct Answer: B) Solutions are mixtures. 17. The author mainly develops the topic of this selection by ..... A) Summarizing an artist's career and his contribution to modern manga. B) Providing detailed information for creating and publishing original manga. C) Comparing and contrasting an artist's manga with traditional comic books. D) Stating an opinion of manga and supporting it with examples and quotations. Show Answer Correct Answer: A) Summarizing an artist's career and his contribution to modern manga. 18. What is the molarity in 650. ml of solution containing 63 grams of sodium chloride? A) 2.4 M. B) 0.86 M. C) 1.7 M. D) 0.54 M. Show Answer Correct Answer: C) 1.7 M. 19. How does the water get through the filter paper? A) It's magic!. B) The filter paper is made of tiny holes that allow water to pass through but stops other materials. C) The filter paper is made of tiny holes that allow material to pass through but holds on to the water. D) Because it just does. Show Answer Correct Answer: B) The filter paper is made of tiny holes that allow water to pass through but stops other materials. 20. Why do we stir or shake a solution? A) To break up solute into smaller particles. B) To do an exercise and lose weight. C) To decrease the movement of particles of both solute and solvent. D) None of the above. Show Answer Correct Answer: A) To break up solute into smaller particles. 21. If your final answer is-5 = 5 A) One Solution. B) No Solution. C) Infinite Many Solutions. D) More steps to reach final step. Show Answer Correct Answer: B) No Solution. 22. How many solutions does the following equation have?-5x + 5-4x =-1-9x A) One Solution. B) No Solution. C) Infinitely Many Solutions. D) Two solutions. Show Answer Correct Answer: B) No Solution. 23. What do you call a substance dissolved in a solution and contains greateramount of solute than the other component? A) Saturated. B) Suspension. C) Unsaturated. D) Supersaturated. Show Answer Correct Answer: D) Supersaturated. 24. The ..... is the smaller part of the solution. A) Solute. B) Solvent. C) System of a down. D) None of the above. Show Answer Correct Answer: A) Solute. 25. Which would NOT increase the rate at which a sugar cube dissolves? A) Reducing the amount of solvent. B) Crushing the sugar cube. C) Stirring the solution. D) Heating the solvent. Show Answer Correct Answer: A) Reducing the amount of solvent. ← 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 9Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books