This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A solution is a kind of ..... A) Mixture. B) Compound. C) Element. D) Stuff. Show Answer Correct Answer: A) Mixture. 2. 5y-15=5(y-2) A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: A) No Solution. 3. The substance being dissolved in a solution is called the- A) Solute. B) Solvent. C) Variable. D) Not here. Show Answer Correct Answer: A) Solute. 4. You can make a solution more concentrated by adding ..... A) Solute. B) Solvent. C) Water. D) None of the above. Show Answer Correct Answer: A) Solute. 5. The universal solvent is ..... A) Sodium. B) Acid. C) Water. D) Wind. Show Answer Correct Answer: C) Water. 6. Coffee is a A) Solution. B) Mixture. C) All the above. D) None of the above. Show Answer Correct Answer: A) Solution. 7. On dissolving sugar in water at room temperature solution feels cool to touch. Under which of the following cases dissolution of sugar will be most rapid? A) Sugar crystals in cold water. B) Sugar crystals 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. 8. During our investigation, we separated dry materials like salt, gravel and powder. What tool did we use to separate the largest materials? A) Screen. B) Filter paper. C) Water. D) Magnet. Show Answer Correct Answer: A) Screen. 9. Which of the following is soluble inwater? A) Candle wax (non-polar). B) Cooking oil (non-polar). C) Baking soda (polar). D) Silver metal (non-polar). Show Answer Correct Answer: C) Baking soda (polar). 10. In which solution can there be the most solute? A) Solvent is 15 degrees, solute is a solid. B) Solvent is 30 degrees, solute is a solid. C) Solvent is 100 degrees, solute is a gas. D) Solvent is 100 degrees, solute is a solid. Show Answer Correct Answer: D) Solvent is 100 degrees, solute is a solid. 11. What tool can you use to separate a mixture of sand and water? A) Hands. B) Filter. C) Tweezers. D) Craft stick. Show Answer Correct Answer: B) Filter. 12. The process of evenly mixing one substance into another forming a solution is ..... process A) Concentration. B) Heating. C) Dissolving. D) Condensation. Show Answer Correct Answer: C) Dissolving. 13. A dilute salt-solution will ..... A) Taste sweeter. B) Have a darker color. C) Have less solid. D) Be heavier. Show Answer Correct Answer: C) Have less solid. 14. An insoluble substance A) Salt. B) Sugar. C) Coffee. D) Wax. Show Answer Correct Answer: D) Wax. 15. Solve:9x + 7-5x = 4x-7 A) X = 7. B) X =-7. C) Infinitely many solutions. D) No solutions. Show Answer Correct Answer: D) No solutions. 16. Solution that contains the maximum amount of solute that can be dissolved. A) Unsaturated solution. B) Supersaturated solution. C) Saturated solution. D) None of the above. Show Answer Correct Answer: C) Saturated solution. 17. A process that separates the parts of a mixture by vaporization and condensation A) Solubility. B) Distillation. C) Mixture. D) Solution. Show Answer Correct Answer: B) Distillation. 18. A binary solution contains A) Only 1 component. B) Only 2 solutes. C) Only one solvent and 1 solute. D) Only 2 solvents. Show Answer Correct Answer: C) Only one solvent and 1 solute. 19. If a solution is SATURATED, what does that mean? A) No more solute can be dissolved. B) More solute must be added. C) The solvent can no longer evaporate. D) The solution cannot be stirred. Show Answer Correct Answer: A) No more solute can be dissolved. 20. Low concentration of oxygen in the blood and tissues of people living at high altitude is due to ..... A) Low temperature. B) Low atmospheric pressure. C) High atmospheric pressure. D) Both low temperature and high atmospheric pressure. Show Answer Correct Answer: B) Low atmospheric pressure. 21. 2(m+3)=2m+12 A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: A) No Solution. 22. A student dissolves 20 grams of salt in a pan of 200 milliliters of water. The student places the pan over a hot stove. How much salt is left after all the water evaporates? A) There is no salt left because it evaporated with the water. B) 20 grams of salt is left after all the water evaporates. C) 10 grams of salt evaporates, leaving 10 grams in the pan. D) Neither the salt nor the water evaporates. Show Answer Correct Answer: B) 20 grams of salt is left after all the water evaporates. 23. Which is not an example of dissolving? A) Salt in water. B) Sugar in water. C) Water in water. D) Copper sulfate in water. Show Answer Correct Answer: C) Water in water. 24. When KCl (potassium chloride) is dissolved in water, how many particles are in solution for each unit? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 25. 4L of 0.02M aqueous solution of NaCl was diluted by adding one litre of water. The molarity of the resultant solution is A) 0.004. B) 0.012. C) 0.008. D) 0.016. Show Answer Correct Answer: D) 0.016. ← 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 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