use a mixture of bicarb and water and let dry completely
Wash it off?
yes
Car battery acid consists of Hydrochloric acid and Sulphuric acid.
No, it is battery acid corrosion caused by leaking fumes. Clean it off with water and baking soda which will neutralize the acid.
Use a mixture of baking soda and water.
Car or automotive battery acid is 30-50% sulfuric acid
Baking soda and water. It will neutralize the acid. After removing the acid clean the post with a battery cleaning tool you can buy at any auto parts store.
A car battery has sulfuric (sulphuric) acid in it.
It's an acid.
acid
The pH of car battery acid is normally around 1 (extremely acidic).
Lead - acid