13. the reactions of some chemicals, such as sodium, potassium phosphorus when exposed to air, water or other supplies, causing flames.14. State the contamination caused the explosion.
13. The reaction of certain chemicals such as sodium, potassium, phosphorus, when exposed to air, water or other materials. The flames were 14. Atmosphere with contaminants causing an explosion.
13. Reaction of some chemicals such as sodium, potassium, phosphorus, when in contact with water, air, or other materials, causing burns has 14.? The atmosphere with the contaminant causing explosions have .