21. Lemon ants are the only known insect to use formic acid as a herbicide. 22. They might squirt formic acid at the attacker if the defense warning is unheeded. 23. Plants in the vicinity that belong to other species are killed with formic acid . 24. Some chronic effects of formic acid exposure have been documented. 25. Adults avoid feeding the young ants, likely due to the ant's formic acid content. 26. This prevents the conversion of methanol to its toxic metabolites, formic acid and formaldehyde. 27. It may be produced synthetically by reacting calcium oxide or calcium hydroxide with formic acid . 28. Formic acid smells like urine, hence the name pissant.29. Ammonium formate first dissociates into formic acid and ammonia. 30. The common name of this substance comes from its similarity and relation to formic acid .
