Because they can wear away metals and that produces hydrogen gas
Any acid. To name some common ones... hydrochloric acid (stomach), ethanoic acid (in vinaigre), sulfuric acid (not to be confused with sulfurous acid), perchloric acid (the most powerful acid).
In general no, though some things that are "deadly vapors" are corrosive (cyanic acid is one example).
Sulfuric acid is Class 8 Corrosives. Class 9 is for hazardous materials that do not meet the definitions of any of the other Classes.
Gerald Watson Keilholtz has written: 'Chromic acid regeneration from anodizing baths' -- subject(s): Electrolysis, Corrosion and anti-corrosives
Sulfuric acid is not considered a weak acid, but rather a strong acid.
No, ammonium is not considered a strong acid. It is a weak acid.
M. Rahmani has written: 'Hydrodynamic modeling of corrosion of carbon steels and cast irons in sulfuric acid' -- subject(s): Carbon steel, Cast-iron, Corrosion, Corrosion and anti-corrosives, Sulphuric acid, Testing
No, ammonium chloride is not considered a strong acid. It is a weak acid.
Yes, ammonium is considered a weak acid.
Yes, hydronium is considered a strong acid.
Hydronium ion is considered an acid.
Yes, phenol is considered a weak acid.