water, ph and acid rain review
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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 . - PowerPoint PPT PresentationTRANSCRIPT
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Water, pH and Acid Rain Review
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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
![Page 3: Water, pH and Acid Rain Review](https://reader035.vdocument.in/reader035/viewer/2022062305/568161db550346895dd1e82d/html5/thumbnails/3.jpg)
2. A solution that is mildly basic would have a pH of approximately
• A.2.• C.6.• B.4.• D.8.
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3. Water has the property of surface tension because the water molecules form ________ bonds between them.
• A.covalent• C.hydrogen • B.ionic• D.nonpolar
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4. When dissolved in water, all bases will• A.form hydroxide ions.• C.form hydrogen ions..• B.have a negative charge.• D.turn red.
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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.The concentration of OH- ions will increase.• B.The concentration of H+ ions will increase.• C.The pH will not change.• D.The pH will decrease.
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6. When a solution of an acid reacts with a solution of a base, hydronium ions react with hydroxide ions to form
• A.a salt.• C.a weaker base.• B.a stronger acid.• D.water.
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7. Which solution is the most basic?• A.apple juice, pH = 3• C.hand soap solution, pH = 10• B.pure water, pH = 7• D.drain cleaner solution, pH = 14
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8. An acid forms which ions in solution?• A.oxygen• C.hydronium• B.hydroxide• D.hydrogen• E. both C and D
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9. What does the pH of a solution measure?• A.concentration of H+ ions• C.concentration of metal ions• B.molarity of the solute• D.solubility of the solute
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10. The main compounds that form acid rain are ________.
• A.sulfur dioxide and carbon dioxide• C.nitrogen oxide and sulfur dioxide• B.carbon dioxide and nitrogen oxide• D.carbon dioxide and sodium hydroxide
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11. Water molecules are attracted to other materials because of the property of __________.
• A.adhesion• C.high specific heat• B.cohesion• D.all of the above
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12. Which statement about acids is incorrect?• A.turn blue litmus paper red• C.taste sour• B.contain hydrogen ions• D.feel slippery
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13. Which solution is the most basic?• A.a solution with a pH = 10• C.a solution with a pH = 3• B.a solution with a pH = 6• D.a solution with a pH = 1
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14. Which solution has the greatest concentration of hydrogen ions?
• A.Urine (pH 6.0)• C.Tomato juice (pH 4.0)• B.Rainwater (pH 5.5)• D.Gastric juice (pH 2.0)
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15. The harmful effects of acid rain include ____________.
• A.respiratory problems in humans.• D.damaging lake and river ecosystems• B.damaging of forests• C.damage to buildings and structures• E.all of the above
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16. What happens to the pH of the acid in your stomach when you take an antacid?
• A.pH decreases• C.pH decreases then increases• B.pH increases• D.pH stays the same
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17. When the pH in your stomach decreases from 6 to 4, how does the hydrogen ion concentration change?
• A.it increases by a factor of 2• C.it decreases by a factor of 2• B.it increases by a factor of 100• D.it decreases by a factor of 100
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18. The pH of a substance is a measure of its• A.boiling point.• C.ability to mix with water.• B.food value.• D.hydrogen ion concentration.
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19. Human impact causes most acid rain due to ________________.
• A.factories releasing pollutants• B.car exhaust• C.landfill water leaching into streams• D. a and b• E. b and c
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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.
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21. Which phrase is not true about strong bases?
• A.conduct electricity well• C.turn blue litmus paper red• B.dissociate completely in water• D.form OH- ions in solution
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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.nonpolar molecule• C.charged molecule • B.polar molecule• D.covalent molecule
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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.mildly basic.• B.strongly acidic.• D.strongly basic.
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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.High specific heat• C.Surface tension• B.Capillary action• D.None of the above
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25. Water molecules are attracted to each other because of the property of ___________.
• A.adhesion• C.high specific heat• B.cohesion• D.all of the above
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26. ________________ forms from pollutants caused by industry and transportation.
• A.Physical Weathering• C.Precipitation• B.Acid Rain• D.None of the above