weak acid = ethanoic acid
weak base = ammonia
It would be impossible to list them all, there are literally thousands of them.
It is a weak acid
Human saliva has a normal pH of 6.5 to 7.5, so it is essentially neutral but can vary from very slightly acidic to very slightly alkaline.
Salts of weak acids and bases are the ionic compounds formed by the reaction between a weak base and a weak acid. For example, if acetic acid was to react with ammonium, the salt ammonium acetate...
Weak Acids: (See links) acetic acid, carbonic acid, citric acid, formic acid, lactic acid, oxalic acid, phosphorous acid, phosphoric acid, tartaric acid, Weak Bases: (See links) alanine, ammonia,...