Question Many products classed as poison are also: Answers Radioactive. Flammable. Gases. Explanation Many hazardous materials classified as poisonous are also flammable. Take a FREE Practice Test Now This questions appears in the following tests: Alabama HazMat , Arizona HazMat , Idaho HazMat , Iowa HazMat , New Mexico HazMat , Tennessee HazMat , Vermont HazMat , Virginia HazMat , Washington HazMat ,