Those are called binary weapons. For the safety of friendly forces during the storage, handling and loading phases, IIRC, ALL US and NATO chemical weapons are binary. The two components are mixed when the containing weapon is fired/dropped.
It has been 36 years since I was the Nuclear, Biological & Chemical (NBC) Warfare Officer for my squadron, so my memory may be fuzzy. If any Freepers have more accurate info, please correct me.
at the time, I heard and EOD warrant officer interviewed who said something to the effect that, “we found a can of Folgers, a pack of filters, fresh water, and a Mr. Coffee machine, but all the media reports is that there is no steaming hot cup of fresh brewed coffee.”