This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A student mixed 10 g of salt in a container of water. The solution was heated on a hot plate to speed evaporation.Which statement describes what will be left in the cup after all the water evaporates from the cup? A) 10g of salt. B) 100g of salt. C) 90g of salt. D) 0g of salt. Show Answer Correct Answer: A) 10g of salt. 2. When one material disperses evenly into another material and the first material disappears ..... A) Dissolves. B) Evaporates. C) Chemical reaction. D) None of the above. Show Answer Correct Answer: A) Dissolves. 3. IN LIQUIDS PARTICLES ARE SLIGHTLY APART A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 4. The pH solution that consist of CH$_{3}$COOH 0.01 M and CH$_{3}$COONa 0.01 M with Ka = 10$^{-5}$ is ..... A) 4. B) 5. C) 6. D) 8. E) 9. Show Answer Correct Answer: B) 5. 5. An equation has one solution if ..... A) The variable is eliminated and we are left with something false (like 2=3). B) The variable is eliminated and we are left with something true (like 2=2). C) We can find the exact value of the variable. D) None of the above. Show Answer Correct Answer: C) We can find the exact value of the variable. 6. A mixture that is evenly mixed. (You can't see the parts) A) Concentration. B) Solvent. C) Homogeneous mixture. D) Heterogeneous mixture. Show Answer Correct Answer: C) Homogeneous mixture. 7. A student places one teaspoon of sugar in a small beaker of water. What will happen to the sugar? A) It will change into water. B) It will dissolve in the water. C) It will melt to form a liquid. D) It will keep all its properties. Show Answer Correct Answer: B) It will dissolve in the water. 8. The temperature at which 10% aqueous solution of (W/V) of glucose will show the osmotic pressure of 16.4 atom is (R = 0.082 L atom K-1 mol-1) A) 360$^\circ$C. B) 180 K. C) 300 K. D) 360 K. Show Answer Correct Answer: D) 360 K. 9. A solution is a special mixture formed when one substance is ..... evenly throughout the other. A) Dissolved. B) Disappearing. C) Spread Out. D) Put. Show Answer Correct Answer: A) Dissolved. 10. A solution containing components A and B follows Raoult's law when A) A-B attraction force is greater than A-A and B-B. B) A-B attraction force is less than A-A and B-B. C) A-B attraction force remains same as A-A and B-B. D) Volume of solution is different from sum of volume of solute and solvent. Show Answer Correct Answer: C) A-B attraction force remains same as A-A and B-B. 11. What is the mass percentage of a solution containing 22g of benzene in 122g of carbon tetrachloride? A) 10%. B) 15%. C) 20%. D) 25%. Show Answer Correct Answer: B) 15%. 12. How many types of solutions are there? A) 5. B) 2. C) 4. D) 3. Show Answer Correct Answer: B) 2. 13. Where in the cell does cell respiration occur? A) Chloroplast. B) Central vacuole. C) Mitochondria. D) Cell membrane. Show Answer Correct Answer: C) Mitochondria. 14. Which of the following will produce crystals if disturbed? A) Saturated solutions. B) Colloids. C) Supersaturated solutions. D) Unsaturated solutions. Show Answer Correct Answer: C) Supersaturated solutions. 15. Higher is the value of K$_{H }$ ..... is the value of solubility of gas in a solvent. A) Higher. B) Lower. C) First increase then decrease. D) Only decreases. Show Answer Correct Answer: B) Lower. 16. ..... system are formed when one system is dispersed in the other system but do not combine to form solution. A) Colloidal. B) Suspension. C) True solution. D) Homogeneous. Show Answer Correct Answer: A) Colloidal. 17. Items in a ..... are easy to pull apart from one another. A) Solution. B) Mixture. C) Chemical change. D) None of the above. Show Answer Correct Answer: B) Mixture. 18. When my statement is never true A) There is no solution. B) There is one solution. C) There is an infinite number of solutions. D) None of the above. Show Answer Correct Answer: A) There is no solution. 19. When a substance dissolves in water, the oxygen atoms in the water molecules orient themselves towards what charge (full or partial) in the solute compound? A) Positive. B) Negative. C) All the above. D) None of the above. Show Answer Correct Answer: A) Positive. 20. The following mixture of solutions that form a buffer solution is ..... A) 50 mL CH$_{3}$COOH 0.2 M and 50 mL NaOH 0.1 M. B) 50 mL CH$_{3}$COOH 0.2 M and 100 mL NaOH 0.1 M. C) 50 mL HCl 0.2 M and 100 mL NH$_{4}$OH 0.1 M. D) 50 mL HCl 0.2 M and 50 mL NH$_{4}$OH 0.1 M. E) 50 mL HCl 0.2 M and 100 mL NaOH 0.1 M. Show Answer Correct Answer: A) 50 mL CH$_{3}$COOH 0.2 M and 50 mL NaOH 0.1 M. 21. According to Henry's law, the solubility of a gas in a liquid is directly proportional to: A) The mole fraction of the solute. B) The partial pressure of the gas. C) The volume of the solvent. D) The temperature of the solution. Show Answer Correct Answer: B) The partial pressure of the gas. 22. How many solutions does this equation have?28a-4 = 28a-4 A) One Solution. B) No Solution. C) Many Solutions. D) None of the above. Show Answer Correct Answer: C) Many Solutions. 23. All of the following describes a solution EXCEPT ..... A) Clear. B) Homogeneous. C) Cannot pass through filter paper. D) Can be separated by physical means. Show Answer Correct Answer: A) Clear. 24. -3(x + 6) =-3(2x + 4) A) No Solution. B) One Solution. C) Infinite Solution. D) None of the above. Show Answer Correct Answer: B) One Solution. 25. A substance that dissolves in water and conducts electricity: A) Electrolyte. B) Non-electrolyte. C) A solvent. D) None of the above. Show Answer Correct Answer: A) Electrolyte. Next →Related QuizzesClass 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 10Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books