Question 1 32 1 In The Statements Below What Is The Background About The Combinations Of The Object Corresponding C 1 (182.27 KiB) Viewed 25 times
Question 1 32 1 In The Statements Below What Is The Background About The Combinations Of The Object Corresponding C 2 (17.56 KiB) Viewed 25 times
Question 1 32 1 In The Statements Below What Is The Background About The Combinations Of The Object Corresponding C 3 (86.25 KiB) Viewed 25 times
Question 1 [32] 1. In the statements below what is the background about the combinations of the object + Corresponding corrosion prevention methods? (6) a. Aluminium window frames / cathodic protection Used in outside frame, b. Galvanized iron buckets / sacrificial protection c. Tin-plated iron cans / alloying 2. These are possible degradation reaction with iron; explain their rate of reaction and contribution to corrosion. (6) a. Fe -> Fe2+ + 2e- b. 2H2O + O2 + 4e- ---> 40H- c. Fe -> Fe3+ + 3e- 3. Corrosion seems like an iron problem. Is this true? Support your answer. (5) 4. Give a type of corrosion associated with these images. And give possible corrective measure to the corrosion. (15) a) SU
b) Fe²+ e 0₂ OH H2O
d)
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