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oxidation of the aluminum surface
Sand the spots down to shiny metal using fine sandpaper.
I am lead to believe that white powder spots are a sign of rust on Aluminum hulls.
oxidation of the aluminum
Aluminum oxide - Al2O3.
a white powder
White powder of aluminum oxide
No, I was wondering the same thing as I took my boating exam, but after further research I believe the answer is that white powder spots are a sign of oxidation on aluminum hulls. But if you are taking the exam, you can always pick an answer, and when you check to see what you missed, look at the information about aluminum hulls or whatever.
If you have white spots on your body, maybe you should see a doctor.
It makes white colored stars. Its' also an ingredient in flash powder.
Bauxite ore. The name "aluminum" comes from the compound "Alum", which is hydrated aluminum potassium sulfate. Alum is available as a white powder.
Not a great white does not have spots