Identical batches of the crystalline compound appeared to have wildly different melting points. Some batches, he found, melted at temperatures of around 65 degrees Celsius (149 Fahrenheit).

Part of Chemistry (Single Science ... Hydrogen chloride (HCl) has a melting point of -114 o C. This is much lower than the melting point of calcium chloride (CaCl 2), which has a melting point of 772 ...

The melting point range of a substance is the temperature range from which the first crystal starts to melt, to the temperature at which the last crystal finishes melting. Key fact An impure ...