Neutralize it with some lye or other alkaline compound. It should react to form a salt and water. Just be careful not to use too much. Wash up with water afterwards just to make sure.
Yes
NO!
Muriatic acid can be used to clean dishwashers. Muriatic acid is very strong and should only be used occasionally for cleaning the dishwasher.
Give it a week, and make sure you dilute the muriatic acid.
Yes, muriatic acid can be used to clean old tubs. It is a strong acid that can help remove mineral deposits, soap scum, and grime from the surface of the tub. However, it is important to use it with caution as it can be harsh and may require proper ventilation and protective gear.
You can use muriatic acid to clean or etch aluminum. Do not let it set too long or it will eat through. Use caution since muriatic acid is very caustic.
no
YES
To clean concrete among other uses
I would not recommend using Muriatic Acid. It is far to strong for this use. Purchase a good industrial carburetor cleaner.
Muriatic acid is highly corrosive to certain metals. Would not be recommended for cabinet hardware cleaning, for sure.
Extremely carefully. Muriatic (hydrochloric) acid is not something you should be messing around with if you don't know how to handle it safely.