OKLAHOMA, MUMBAI, Bali and now Varanasi. Ammonium nitrate, the explosive used in Varanasi, is the hallmark of Islamic militants. Reason: the base material is cheap and freely available as fertilizer; ...
Two dry solids --- barium hydroxide and ammonium nitrate --- are mixed to produce an endothermic reaction. The temperature of the mixture drops approximately 45oC and is cold enough to freeze the ...