>>I whole heartedly agree it is a chemical agent. I believe napalm was a defoliant however which would make it a herbicide or somesuch. Note I am not familiar with the toxicology of napalm so what I am about to say is bit of a generalization.
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>Just for the record, napalm is basically jellied gasoline. Its primary purpose is to turn enemy troops into crispy critters. It could be used as a defoliant but there are "better" agents for that.

Thanks for the correction. I was thinking of Agent Orange.