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Question 64 The most common method used to protect underground pipes from rusting is covering them with paint O attaching a more active metal to them O treating them with sodium hydroxide O coating them with another metal whose oxide is less stable O treating them with hydrochloric acid

Question 64 The most common method used to protect underground pipes from rusting is covering them with paint O attaching a more active metal to them O treating them with sodium hydroxide O coating them with another metal whose oxide is less stable O treating them with hydrochloric acid

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 64 The most common method used to protect underground pipes from rusting is O covering them with paint O attaching a more active metal to them treating them with sodium hydroxide coating them with another metal whose oxide is less stable O treating them with hydrochloric acid Question 65 Which of these is a possible cathodic reaction that occurs during the corrosion of iron? O 2Fe(s) → 2Fe2+*(aq) + 4e O 2H*(aq) + 2e H2(g) O 2H20(1) + 2e H2(g) + 20H-(aq) O 02(g) + 2H20(1) + 4e 4OH (aq) O SO2(g) + 02(g) + 2e- → (be)-OS Question 66 Which of these substances are not found in ordinary laundry detergents? O Bleaches O Sebum O Enzymes O Zeolites Builders
Transcribed Image Text:Question 64 The most common method used to protect underground pipes from rusting is O covering them with paint O attaching a more active metal to them treating them with sodium hydroxide coating them with another metal whose oxide is less stable O treating them with hydrochloric acid Question 65 Which of these is a possible cathodic reaction that occurs during the corrosion of iron? O 2Fe(s) → 2Fe2+*(aq) + 4e O 2H*(aq) + 2e H2(g) O 2H20(1) + 2e H2(g) + 20H-(aq) O 02(g) + 2H20(1) + 4e 4OH (aq) O SO2(g) + 02(g) + 2e- → (be)-OS Question 66 Which of these substances are not found in ordinary laundry detergents? O Bleaches O Sebum O Enzymes O Zeolites Builders
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