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Water, pH and Acid Rain Review

Water, pH and Acid Rain Review. 1. Water has ______________, meaning that it takes a lot of energy to make it change temperature. A.cohesion C.capillary action B.adhesion D.high specific heat. 2. A solution that is mildly basic would have a pH of approximately A.2 . C.6 . B.4 .

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Water, pH and Acid Rain Review

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  1. Water, pH and Acid Rain Review

  2. 1. Water has ______________, meaning that it takes a lot of energy to make it change temperature. • A.cohesion • C.capillaryaction • B.adhesion • D.highspecific heat

  3. 2. A solution that is mildly basic would have a pH of approximately • A.2. • C.6. • B.4. • D.8.

  4. 3. Water has the property of surface tension because the water molecules form ________ bonds between them. • A.covalent • C.hydrogen • B.ionic • D.nonpolar

  5. 4. When dissolved in water, all bases will • A.formhydroxide ions. • C.formhydrogen ions.. • B.havea negative charge. • D.turn red.

  6. 5. As part of an experiment, a student adds 10mL of 5% NaOH ( a strong base) solution to 100mL water. What will most likely occur? • A.Theconcentration of OH- ions will increase. • B.Theconcentration of H+ ions will increase. • C.ThepH will not change. • D.ThepH will decrease.

  7. 6. When a solution of an acid reacts with a solution of a base, hydronium ions react with hydroxide ions to form • A.asalt. • C.aweaker base. • B.astronger acid. • D.water.

  8. 7. Which solution is the most basic? • A.applejuice, pH = 3 • C.handsoap solution, pH = 10 • B.purewater, pH = 7 • D.draincleaner solution, pH = 14

  9. 8. An acid forms which ions in solution? • A.oxygen • C.hydronium • B.hydroxide • D.hydrogen • E. both C and D

  10. 9. What does the pH of a solution measure? • A.concentrationof H+ ions • C.concentrationof metal ions • B.molarityof the solute • D.solubilityof the solute

  11. 10. The main compounds that form acid rain are ________. • A.sulfurdioxide and carbon dioxide • C.nitrogenoxide and sulfur dioxide • B.carbondioxide and nitrogen oxide • D.carbondioxide and sodium hydroxide

  12. 11. Water molecules are attracted to other materials because of the property of __________. • A.adhesion • C.highspecific heat • B.cohesion • D.allof the above

  13. 12. Which statement about acids is incorrect? • A.turn blue litmus paper red • C.taste sour • B.containhydrogen ions • D.feelslippery

  14. 13. Which solution is the most basic? • A.asolution with a pH = 10 • C.asolution with a pH = 3 • B.asolution with a pH = 6 • D.asolution with a pH = 1

  15. 14. Which solution has the greatest concentration of hydrogen ions? • A.Urine(pH 6.0) • C.Tomatojuice (pH 4.0) • B.Rainwater(pH 5.5) • D.Gastricjuice (pH 2.0)

  16. 15. The harmful effects of acid rain include ____________. • A.respiratoryproblems in humans. • D.damaginglake and river ecosystems • B.damagingof forests • C.damageto buildings and structures • E.all of the above

  17. 16. What happens to the pH of the acid in your stomach when you take an antacid? • A.pHdecreases • C.pHdecreases then increases • B.pHincreases • D.pHstays the same

  18. 17. When the pH in your stomach decreases from 6 to 4, how does the hydrogen ion concentration change? • A.itincreases by a factor of 2 • C.itdecreases by a factor of 2 • B.itincreases by a factor of 100 • D.itdecreases by a factor of 100

  19. 18. The pH of a substance is a measure of its • A.boilingpoint. • C.abilityto mix with water. • B.foodvalue. • D.hydrogenion concentration.

  20. 19. Human impact causes most acid rain due to ________________. • A.factoriesreleasing pollutants • B.car exhaust • C.landfillwater leaching into streams • D. a and b • E. b and c

  21. 20. Corn syrup is composed mostly of glucose and fructose. What property of water explains why corn syrup dissolves easily in water? • A. Water exhibits strong cohesion. • C. Water is a polar molecule. • B. Water has a high specific heat. • D. Water is easily ionized.

  22. 21. Which phrase is not true about strong bases? • A.conductelectricity well • C.turn blue litmus paper red • B.dissociatecompletely in water • D.form OH-ions in solution

  23. 22. A molecule that has a partial positive charge on one side and a partial negative charge on the other side is called a • A.nonpolarmolecule • C.chargedmolecule • B.polarmolecule • D.covalentmolecule

  24. 23. The label on a bottle indicates that the substance inside has a pH of 1. This tells you that the substance is • A.neutral. • C.mildlybasic. • B.stronglyacidic. • D.stronglybasic.

  25. 24. _______________ occurs in plants as water molecules are pulled up the plant, against the force of gravity, due to the adhesion and cohesion of water molecules. • A.Highspecific heat • C.Surfacetension • B.Capillaryaction • D.Noneof the above

  26. 25. Water molecules are attracted to each other because of the property of ___________. • A.adhesion • C.highspecific heat • B.cohesion • D.allof the above

  27. 26. ________________ forms from pollutants caused by industry and transportation. • A.PhysicalWeathering • C.Precipitation • B.AcidRain • D.Noneof the above

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