hcl is an example of an acid or base
Acid–base reaction For example, a BrÃ¸nsted-Lowry model for the dissociation of hydrochloric acid (HCl) in aqueous solution would be the following:
Base oil The least refined type which produced by Solvent Refining. It usually consists of conventional petroleum base oils.
Ä Ä (lower case ä) is a character that represents either a letter from several extended Latin alphabets, or the letter A with an umlaut mark or diaeresis.
Universal indicator The colours from yellow to red indicate an acidic solution, colours blue to violet indicate bases and green colour indicates that a solution is neutral.