· After the first minute, the table salt turned the surface of the ice block into slush. We decided to do a little experiment to see if table salt could be as effective at melting ice as commercial rock filled two containers each with 350ml of water, froze them, and then sprinkled 25ml of either table salt or ice melt on top.
· At higher temperatures, the former rate is faster than the latter and the ice melts. ... The rock salt applied to icy roads in the winter is the same substance that comes out of your salt shaker.