A Description in non-technical Language of the diverse and wonderful ways in which chemical forces are at work and of their manifold application in modern life.
A Simple Chemical Change
Cold water is poured on a hard lump of quicklime, which may begin to emit
steam even before all the water has been added_(see top illustration). The
second illustration shows a further stage, at which quantities of steam are
evolved and the lump is swelling and cracking in every direction. Finally it
collapses into a heap of dry soft material—slaked lime.