This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The substance dissolved in a solvent is called a(n) A) Solution. B) Solute. C) Solvent. D) Matter. Show Answer Correct Answer: B) Solute. 2. 4L of 0.02 M aqueous solution of NaCl was diluted by adding one litre of water. The molality of the resultant solution is ..... A) 0.004. B) 0.008. C) 0.012. D) 0.016. Show Answer Correct Answer: D) 0.016. 3. This organic molecule is the main component of biological membranes ..... A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 4. The van't Hoff factor measures the number of particles formed in solution. What is the van't Hoff factor for the compound Na$_{2}$SO$_{4}$? A) 1. B) 3. C) 5. D) 7. Show Answer Correct Answer: B) 3. 5. Which equation is used to find molarity? A) Moles solute/L solution. B) Moles solute/kg solution. C) Moles solute/kg solvent. D) Grams solute/L solution. Show Answer Correct Answer: A) Moles solute/L solution. 6. Which of the following is an example of a solvent? A) Sugar. B) Salt. C) Copper sulphate. D) Water. Show Answer Correct Answer: D) Water. 7. A mixture of one substance evenly dissolved in another. A) Mixture. B) Property. C) Density. D) Solution. Show Answer Correct Answer: D) Solution. 8. Solve:3 (7 + m)-6 (1 + m) = 30 A) M =-14. B) M =-13. C) M =-5. D) M = 10. Show Answer Correct Answer: C) M =-5. 9. Solution where you can still dissolve more solute A) Saturated solution. B) Supersaturated solution. C) Unsaturated solution. D) Solution. Show Answer Correct Answer: C) Unsaturated solution. 10. Salt dissolved in water is a A) Compound. B) Element. C) Heterogeneous mixture. D) Solution. Show Answer Correct Answer: D) Solution. 11. The process by which some molecular compounds dissolve in water to form ions is A) Ionization. B) Dissociation. C) Neutralization. D) Dispersion. Show Answer Correct Answer: A) Ionization. 12. Identify the substance that when dissolved in water will be an electrolyte: A) C2H5OH-. B) H2O2. C) C6H12O6. D) NH4C2H5COO. Show Answer Correct Answer: D) NH4C2H5COO. 13. Alec got a D on his test so he studied harder. 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. 14. To break down into small particles and spread evenly through a substance A) Dissolve. B) Ingredient. C) Hot plate. D) Filter. Show Answer Correct Answer: A) Dissolve. 15. Has a definite volume and shape A) Liquid. B) Solid. C) Gas. D) None of the above. Show Answer Correct Answer: B) Solid. 16. In atomic structure of a mixture ..... A) Components are bonded together. B) Components are chemically bonded only. C) Components are not bonded but only are positioned next to each other. D) Components can be chemically separated only. Show Answer Correct Answer: C) Components are not bonded but only are positioned next to each other. 17. What do you call the substance that is being dissolved? A) Solution. B) Solute. C) Solvent. D) Suspension. Show Answer Correct Answer: B) Solute. 18. What is an electrolyte? A) A substance that dissolves in water and produces ions. B) A substance that dissolves in water but doesn't produce ions. C) A substance that doesn't dissolve in water. D) A substance that melts at room temperature. Show Answer Correct Answer: A) A substance that dissolves in water and produces ions. 19. Supersaturated solution is one with ..... ? A) Greater amount of solvent. B) Less solute than the solvent. C) Less solvent than the solute. D) Equal amounts of solute and solvent. Show Answer Correct Answer: C) Less solvent than the solute. 20. Paragraph 4 suggests that Osamu Tezuka? A) Spent most of his career writing comic strips for a children's newspaper. B) Nearly decided upon a career in medicine rather than as a manga artist. C) Decided to publish his works in installments instead of publishing books. D) Deeply regretted taking his mother's advice about becoming a doctor. Show Answer Correct Answer: B) Nearly decided upon a career in medicine rather than as a manga artist. 21. Solve:5y+34 =-2(-7y+1) A) Y =-4. B) Y = 9. C) Y = 4. D) Y = 36/19. Show Answer Correct Answer: C) Y = 4. 22. What is the effect of stirring on the rate of dissolution? A) Increases it. B) Decreases it. C) Has no effect. D) Initially increases it, then decreases it. Show Answer Correct Answer: A) Increases it. 23. How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)? A) 0.625 g NaCl. B) 625 g NaCl. C) 36.5 g NaCl. D) 0.04 mol NaCl. Show Answer Correct Answer: C) 36.5 g NaCl. 24. Molality is defined as ..... divided by ..... A) Liters solution, mols solute. B) Mols solute, liters solvent. C) Kg solvent, mols solute. D) Mols solute, kg solvent. Show Answer Correct Answer: D) Mols solute, kg solvent. 25. Simplify each equation. Tell whether the equation has one, no, or infinite solutions.3x-8 = 3(x-4) + 1 A) One. B) No solutions. C) Infinite solutions. D) None of the above. Show Answer Correct Answer: B) No solutions. ← 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