which type of film is most protective oxide type of film a)porous oxide film b) volatile oxide film c) stable oxide film d) unstable oxide film
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b is the answer
tmri maiya ka ghand maro
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Answer:
c) Stable oxide film
Explanation:Metals like Al forms Al2O3 whose volume is greater than the volume of metal (Al). An extremely tightly adhering, non- porous oxide layers is formed. Due to absence of any pores in the oxide film it forms a barrier for further action and hence the rate of oxidation of metal rapidly decreases.
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