Any process of chemical decay of metals due to the action of surrounding medium is called__________________?
Correct answer: C. corrosion
- A. activation
- B. enameling
- C. corrosion
- D. coating
Explanation
Corrosion is the gradual chemical or electrochemical deterioration of a metal through reaction with oxygen, moisture, acids or other substances in its surroundings. A student may choose coating, but coating is a protective method used to prevent corrosion, not the decay itself.
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About Redox Reactions
Redox reactions involve oxidation and reduction occurring together, with electrons transferred between species or oxidation numbers changing. The topic covers assigning oxidation states, identifying oxidizing and reducing agents, balancing redox equations by oxidation number or half-reaction methods, and connecting chemical changes with galvanic and electrolytic cells.
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