Identify the type of phase change described in each process. Molten aluminum poured into a mold cools to form a solid object. A block of dry ice gradually becomes foglike at room temperature. A soldering iron prepares liquid solder from solid metal. The cap is left off a bottle of acetone and the smell fills the room. A scoop of ice cream begins to drip in the hot sun. A drop of mercury on the lab bench disappears over time. Beads of water form on a cold drinking glass.