Here is video of a lab with a number of examples of both chemical and physical changes. The product is neither yellow nor magnetic. All that remains is a small amount of ash. The reddish-brown rust is different from the iron. ![]() (e) Iron and sulfur form a shiny nonmagnetic grey substance on heating. Which of the following are chemical changes? (a) Sugar dissolves in warm water. Hydrogen and oxygen are both colourless gases, but water is a liquid at ordinary temperatures. ![]() Explosive 3.A chemical change is any change that results in the formation of new chemical substances with new properties.įor example, hydrogen reacts with oxygen to form water. Here is a list of several examples of chemical and physical properties.
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