[Hyperspace Pirate] wants to make his own dry ice, but he wants it to be really, really cheap. So naturally, his first stop is… the beach? That’s right, the beach, because that’s where to ...

But it generates heat, so can be described as exothermic. Although aqueous solutions of 'slaked' lime are alkaline, its solubility in water is so low that the solution would not be a caustic ...