This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In order to dilute a solution, you need to A) Add more of the solid. B) Add more water. C) Find the mass. D) Find the volume. Show Answer Correct Answer: B) Add more water. 2. The solutions of the quadratic equationx$^{2}$+2x-15=0 are (hint:find the zeros) FACTOR A) X = 3 or x = 5. B) X = 5 or x =-3. C) X =-5 or x = 3. D) X =-3 or x =-5. Show Answer Correct Answer: C) X =-5 or x = 3. 3. What does it mean when an equation has infinitely many solutions? A) "To infinity and beyond". B) The equation is always TRUE when any value is substituted in for the variable. C) The equation will NEVER be true when any value is substituted in for the variable. D) Only ONE solution will make the equation true. Show Answer Correct Answer: B) The equation is always TRUE when any value is substituted in for the variable. 4. Percentage by mass of solute present in solution A) Height percentage. B) Mass percentage. C) Volume percentage. D) Weight percentage. Show Answer Correct Answer: B) Mass percentage. 5. The separate parts of a mixture A) Physical change. B) Ingredients. C) Mixture. D) Solvent. Show Answer Correct Answer: B) Ingredients. 6. One of the factors affecting the amount of solute that dissolves in a solvent A) Coolness and gravity. B) Temperature and pressure. C) Freezing and fusion. D) None of the above. Show Answer Correct Answer: B) Temperature and pressure. 7. The value of Henry's Constant is A) Greater for gases with higher solubility. B) Greater for gases with lower solubility. C) Constant for all gases. D) None of the above. Show Answer Correct Answer: B) Greater for gases with lower solubility. 8. Amount of solute that can dissolve in a given amount of solvent at a given temperature is? A) Saturated solution. B) Solubility. C) Pure substance. D) Colloid. Show Answer Correct Answer: B) Solubility. 9. 12(y+2)=6(2y+4) A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: C) Infinite Solutions. 10. A light bulb connected to two electrodes is immersed in the following solutions. Which one will make the light bulb light up the brightest? A) 1 g of sugar in 1 cup of water. B) 1 g of salt in 1 cup of water. C) 10 g of salt in 1 cup of water. D) 10 g of sugar in 1 cup of water. Show Answer Correct Answer: C) 10 g of salt in 1 cup of water. 11. Oil molecules are nonpolar. What kind of solvent is required to remove an oil stain? A) Saturated. B) Unsaturated. C) Polar. D) Nonpolar. Show Answer Correct Answer: D) Nonpolar. 12. A solution of sucrose (molar mass = 342 g mol-1) has been prepared by dissolving 68.5 g of sucrose in 1000 g of water. The freezing point of the solution obtained will be (Kf for water = 1.86 K kg mol-1). A) -0.372$^\circ$C. B) -0.520$^\circ$C. C) + 0.372$^\circ$C. D) -0.570$^\circ$C. Show Answer Correct Answer: A) -0.372$^\circ$C. 13. What is the unit for molarity? A) Mass/liters. B) Moles. C) Liters. D) Moles/liter. Show Answer Correct Answer: D) Moles/liter. 14. What is dissolved in a solution? A) Soluble. B) Solute. C) Solvent. D) Saturation. Show Answer Correct Answer: B) Solute. 15. The substance that does the dissolving in a solution is called a(n) A) Acid. B) Base. C) Solute. D) Solvent. Show Answer Correct Answer: D) Solvent. 16. What the matter will be dissolved in, like water A) Solvent. B) Separate. C) Combine. D) Measure. Show Answer Correct Answer: A) Solvent. 17. When a solvent can no longer hold any more solute A) Saturation. B) Dilute. C) Dissolve. D) None of the above. Show Answer Correct Answer: A) Saturation. 18. The formula M$_{1}$V$_{1 }$= M$_{2}$V$_{2}$ is used when: A) Dissolving a solute in a solvent. B) Diluting a solution. C) Reacting an acid with a base. D) Determining the pH of an acid. Show Answer Correct Answer: B) Diluting a solution. 19. The hero swoops in to save the girl tied to the tracks right before the train hits her. This is an example of what plot element? A) Main conflict. B) Climax. C) Falling action. D) Resolution. Show Answer Correct Answer: B) Climax. 20. How many solutions does this equation have?4y + 5 = 4y-7 A) One Solution. B) No Solution. C) Many Solutions. D) None of the above. Show Answer Correct Answer: B) No Solution. 21. Solve:4x + 1 = 8x-3 A) X = 1. B) X = 2. C) Infinitely many solutions. D) No solutions. Show Answer Correct Answer: A) X = 1. 22. Molarity is measured in A) Moles per kg. B) Moles per L. C) Moles per kJ. D) Moles per mL. Show Answer Correct Answer: B) Moles per L. 23. Which of the following is the universalsolvent? A) Acetone. B) Benzene. C) Water. D) Alcohol. Show Answer Correct Answer: C) Water. 24. Calculate the number of moles copper (II) sulfate in 320g of CuSO$_{4.}$ A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: A) 2. 25. How many solutions does this equation have? $2x+1=2x+1$ A) Always. B) Sometimes. C) Never. D) None of the above. Show Answer Correct Answer: A) Always. ← 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