Sodiumhydroxide.PDFVIP

Name: _______________________________ Physical and Chemical Properties Worksheet Physical vs Chemical Properties Physical vs Chemical Change A physical property is observed with the senses and In a physical change, the original substance still can be determined without destroying the object. exists (its particles are still the same); it has simply For example: color, shape, mass, length, density and changed in form (rearrangement of particles). odor are all examples of physical properties. Energy changes usually do not accompany physical changes. A chemical property indicates how a substance reacts with something else. When a chemical In a chemical change, a new substance is produced. property is observed the original substance is Energy changes always accompany chemical changed into a different substance. For example: changes. Chemical changes are also always the ability of iron to rust is a chemical property. The accompanied by physical changes. iron has reacted with oxygen and the original metal is gone. It is now iron oxide, a new substance. All Classify the following properties as examples of a chemical changes involve physical changes. physical change, a chemical change, or both kinds of change. Classify the following properties as either physical or chemical by putting a check in the appropriate Sodium hydroxide column. dissolves in water Physical Chemical Hydrocloric acid reacts Red color with sodium hydroxide Density to produce a salt, Flammability water and heat Solubility