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Metallic Components Form a Surface __________ When Exposed to Sulfur

Question 155

Multiple Choice

Metallic components form a surface __________ when exposed to sulfur compounds. This may react with air (oxygen) and moisture to form sulfur acids (polythionic acid) .


A) Oxide
B) Sulfide scale
C) Sulfate scale
D) Caustic scale

Correct Answer:

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