This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How do you find the volume of an irregular shaped solid? A) Water displacement. B) Weighing it. C) Using a balance. D) Multiplying the length by its sides. Show Answer Correct Answer: A) Water displacement. 2. What would be the mass of 1.5mol H$_{2}$O? A) 20 g. B) 27 g. C) 32 g. D) 40 g. Show Answer Correct Answer: B) 27 g. 3. How are filters and sieves similar? A) They can both create mixtures. B) They both are used to separate substances in a mixture. C) They can both separate a solution. D) They do not have any similarities. Show Answer Correct Answer: B) They both are used to separate substances in a mixture. 4. The relative lowering of vapour pressure is equalto the ratio between the number of A) Solute molecules to the solvent molecules. B) Solute molecules to the total molecules in the solution. C) Solvent molecules to the total molecules in the solution. D) Solvent molecules to the total number of ions ofthe solute. Show Answer Correct Answer: B) Solute molecules to the total molecules in the solution. 5. Increasing pressure makes gases ..... soluble in a solvent. A) More. B) Less. C) Just as (no change). D) None of the above. Show Answer Correct Answer: A) More. 6. A small amount of NaCl is dissolved in water to make a solution. In this solution A) Water is the precipitate. B) Water is the solute. C) NaCl is the solvent. D) NaCl is the solute. Show Answer Correct Answer: D) NaCl is the solute. 7. Process of uniform disstribution of solute is called A) Binary solution. B) Monosolution. C) Disolution. D) Ternarysolution. Show Answer Correct Answer: C) Disolution. 8. Which of the following alloys is a mixture of a metal and a non-metal? A) Bronze. B) Brass. C) Iron. D) Steel. Show Answer Correct Answer: D) Steel. 9. What mass of NaCl is needed to prepare 850 mls of 6.0 M NaCl solution? A) 5.1 grams. B) 0.087 grams. C) 87 grams. D) 298 grams. Show Answer Correct Answer: D) 298 grams. 10. Which of the following statements is true about ideal solutions? A) They show positive deviation from Raoult's law. B) They show negative deviation from Raoult's law. C) They obey Raoult's law over the entire range of concentration. D) They do not follow Henry's law. Show Answer Correct Answer: C) They obey Raoult's law over the entire range of concentration. 11. A LIQUID mixture where one substance is blended evenly throughout another substance A) Solution. B) Concentration. C) Solvent. D) Solubility. Show Answer Correct Answer: A) Solution. 12. If an object sinks in a fluid, ..... A) The density of the fluid is greater than the density of the object. B) The density of the fluid is less than the density of the object. C) The density of the fluid is equal to the density of the object. D) Density has nothing to do with whether an object sinks or floats, only which state of matter the object is. Show Answer Correct Answer: B) The density of the fluid is less than the density of the object. 13. Water molecules are attracted to each other because A) They are all positively charged. B) Each water molecule has the same number of protons as electrons. C) The positive area of one water molecule is attracted to the negative area of another. D) All water molecules are neutral. Show Answer Correct Answer: C) The positive area of one water molecule is attracted to the negative area of another. 14. Electrons always flow from A) Cathode to anode. B) Anode to cathode. C) All the above. D) None of the above. Show Answer Correct Answer: B) Anode to cathode. 15. To mix together A) Solvent. B) Separate. C) Combine. D) Measure. Show Answer Correct Answer: C) Combine. 16. Which of the following refers to the maximum amount of solute that can dissolve in a given amount of solvent at a certain temperature? A) Solubility. B) Dilute solution. C) Saturated solution. D) Unsaturated solution. Show Answer Correct Answer: C) Saturated solution. 17. The Tyndall effect is used to distinguish between A) Gases and solids. B) Solutions and colloids. C) Solvent and suspensions. D) All of these. Show Answer Correct Answer: B) Solutions and colloids. 18. If a pure substance cannot be chemically separated, that is a ..... A) A molecule. B) A compound. C) An element. D) A mixture. Show Answer Correct Answer: C) An element. 19. 6(m+3)=2(m+5) A) No solution. B) M=-2. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: B) M=-2. 20. SUSPENSION MIXTURES ARE HETEROGENEOUS MIXTURES! A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 21. How many moles of NaCl are present in a solution with a molar concentration of of 8.59Mol/L and 125 mL of solution? A) 1.07 gram. B) 62.7 mol. C) 1.07 mol. D) 62.7 grams. Show Answer Correct Answer: C) 1.07 mol. 22. $6\left(m+3\right)=2\left(m+5\right)$ A) No solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: B) One Solution. 23. Solve.3y + 6 + 4y-7 =-8 A) Y=-1. B) Y=-8. C) Y=1. D) No solution. Show Answer Correct Answer: A) Y=-1. 24. Which of the following would be classified as an electrolyte in aqueous solution? A) Na$_{2}$CO$_{3}$. B) H$_{2}$SO$_{4}$. C) HF. D) All of these. Show Answer Correct Answer: D) All of these. 25. The number of moles of solute or solvent in a solution divided by the total number of moles of solute and solvent is known as A) Molarity. B) Mole fraction. C) Molality. D) Percent by mass. Show Answer Correct Answer: B) Mole fraction. ← 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