<prompt> Smokeless gun powder is composed of -KMnO4HCNNitrocelluloseSulphur  <response>: Ans. is c i.e., Nitrocellulose o Smoke producing powder Black powder black gun pow der, Pyrodex.o Smokeless powderBlack powder plus nitrocellulosenitrocellulose nitroglycerine,nitroglycerine nitrocellulose nitroguanidine.o Semismokeless powder 80 black powder plus 20 smokeless powder. 