Luster is a physical property.
This is a physical action.
Sugar donates electrons that reduce blue copper (II) sulfate to orange copper (I) oxide.
If you think to chemical weapon Agent Orange the answer is no.
Copper
Orange.
It's a physical change why are some people f$#@%ing stupid and saying a chemical change??
An orange is a physical object and is not any kind of "change"!
it is physical because there is no new matter will produce(( water+ juice dissolved)) just
Floating is a physical property, and is not a 'change' in any sense.
This is a physical action.
Chemical reactions
No such animal. That would be like hammering an orange into an apple.... They are both different pure elements. Unless you're handy with the nuclear fission or fusion, you cant make one from the other. No chemical or physical changes can alter that.
Squeezing oranges for juice is a physical change. The physical and chemical properties of the orange do not change.
it is a chemical
physical change
they're not bad, its the application you give to what you do, if you make a cake, you are chemical transforming flour into bread, if you make orange juice, you are physical transforming the orange into juice.
Elemental copper is an reddish-orange colored solid. More details are found here:http://en.wikipedia.org/wiki/Copper