This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 2 Solutions – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 2 Solutions Quiz 36 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many grams of AgNO$_{3}$ are needed to prepare 0.125M solution in 250 mL of water? (the molar mass is 169.87g=1 mole) A) .03g. B) 0.5g. C) 5.3g. D) 84.9g. Show Answer Correct Answer: C) 5.3g. 2. Controls what enters/leaves a cell A) Cell membrane. B) Nuclear membrane. C) Cell wall. D) Cytoplasm. Show Answer Correct Answer: A) Cell membrane. 3. How many grams are there in 1.6 moles of CaO? (rounded) A) 35. B) 56. C) 90. D) 0.286. Show Answer Correct Answer: C) 90. 4. BLOOD CELLS RETAIN THEIR NORMAL SHAPE IN SOLUTIONS WHICH ARE A) Hypotonic to blood. B) Isotonic to blood. C) Hypertonic to blood. D) Equinormal to blood. Show Answer Correct Answer: B) Isotonic to blood. 5. What is the substance called that is being dissolved in a solution? A) Solvent. B) Solute. C) Mixture. D) Concentrator. Show Answer Correct Answer: B) Solute. 6. A substance that dissolves in solution and produces ions is: A) Electrolyte. B) Non-electrolyte. C) A solvent. D) None of the above. Show Answer Correct Answer: A) Electrolyte. 7. How would you describe the way molecules move when the molecules are solid? A) The molecules are moving in place. B) The molecules are moving around each other. C) The molecules are moving away from each other. D) The molecules are not moving. Show Answer Correct Answer: A) The molecules are moving in place. 8. Which solution is concentrated? A) 25 g of salt in 100 ml of water. B) 15 g of salt in 200 ml of water. C) 10 g of salt in 400 ml of water. D) 5 g of salt in 400 ml of water. Show Answer Correct Answer: A) 25 g of salt in 100 ml of water. 9. What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH) A) 0.8 M. B) 1.5M. C) 3.0M. D) 6.0M. Show Answer Correct Answer: C) 3.0M. 10. Water is polar, this means: A) Both the H and O are negative. B) The O is slightly negative and the H's are slightly positive. C) Water will dissolve oil. D) Hydrogen is slightly negative. Show Answer Correct Answer: B) The O is slightly negative and the H's are slightly positive. 11. Cone. H$_{2}$SO$_{4}$ is 98 % by mass has d = 1.84 g cm$^{-3}$ Volume of acid required to make one litre of 0.1 M H$_{2}$SO$_{4}$ IS A) 5.43 mL. B) 10 ml. C) 20 ml. D) 30 ml. Show Answer Correct Answer: A) 5.43 mL. 12. In a solution of saltwater, what is the solute? A) Salt. B) Water. C) Ice. D) The glass. Show Answer Correct Answer: A) Salt. 13. K$_{H}$ value for Ar(g), CO$_{2}$(g), HCHO(g) and CH$_{4}$(g) are 40.39, 1.67, 1.83 x 10$^{-5 }$and 0.413 respectively. Arrange these gases in the order of their increasing solubility. A) HCHO < CH$_{4 }$< CO$_{2}$ < Ar. B) HCHO < CO$_{2}$ < CH$_{4}$ < Ar. C) Ar < CO$_{2}$ < CH$_{4}$ < HCHO. D) Ar < CH$_{4 }$< CO$_{2 }$< HCHO. Show Answer Correct Answer: C) Ar < CO$_{2}$ < CH$_{4}$ < HCHO. 14. How does temperature generally affect the solubility of solid solutes in water? A) Increases solubility. B) Decreases solubility. C) Has no effect. D) First increases then decreases. Show Answer Correct Answer: A) Increases solubility. 15. Solutions that conduct a current are called ..... and are made from ..... compounds. A) Electrolytes; ionic. B) Nonelectrolytes; ionic. C) Electrolytes; molecular. D) Electrolytes; covalent. Show Answer Correct Answer: A) Electrolytes; ionic. 16. What is a "homogeneous mixture of two or more substances in a single phase" ? A) Solution. B) Solvent. C) Solute. D) Compound. Show Answer Correct Answer: A) Solution. 17. What is the molarity of a solution made by adding 1.565 moles of Pb(NO$_{3}$ )$_{2}$ to enough water to make 500. mL of soution? A) 300. M. B) 31.3 M. C) 3.13 M. D) 1.56 M. Show Answer Correct Answer: C) 3.13 M. 18. Metallic alloys are from solutions A) Solid. B) Liquid. C) Gas. D) Non of the above. Show Answer Correct Answer: A) Solid. 19. How many solutions would this system of equations have?-5y-15=5y-10 A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: B) One Solution. 20. The average school day for kindergarteners is getting longer, and it's paying off in improved reading skills. This improvement will continue from elementary school to HS. These children will be able to get better jobs when they are adults. What is the author's viewpoint about full day kindergarten? A) Favors full day. B) Not in favor of full day. C) All the above. D) None of the above. Show Answer Correct Answer: A) Favors full day. 21. How do you calculate the molarity of a solution? A) By tasting it. B) Dividing the moles of solute by the L of solution. C) Dividing the moles of solute by the kg of solvent. D) By adding the sum of the molecular weight of the elements in the substance. Show Answer Correct Answer: B) Dividing the moles of solute by the L of solution. 22. $9-x=-x+9$ A) One solution. B) No solution. C) Infinite solutions. D) None of the above. Show Answer Correct Answer: C) Infinite solutions. 23. When pressure is increased at constanttemperature the solubility of gases in liquid ..... A) No change. B) Increases. C) Decreases. D) No reaction. Show Answer Correct Answer: B) Increases. 24. If molality of dilute solution is doubled, the value of molal depression constant (Kf) will be A) Halved. B) Tripled. C) Unchanged. D) Doubled. Show Answer Correct Answer: C) Unchanged. 25. For the reaction ..... SO$_{2}$ + O$_{2}$ <$\rightarrow$ $_{}$SO$_{3}$If the equilibrium shifts to the right, the concentration of O$^{}$$^{}$$_{2}$ will ..... A) Increase. B) Decrease. C) Remain the same. D) Double. Show Answer Correct Answer: B) Decrease. ← 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