no
because sky is so high
All metals (copper, etc.), dirty water, steam, talcum powder, skin, hair, trees, air, and many more.
No because it's a crystalline ionic solid. However, dissolve some KBr in water and it will conduct electricity nicely, because in solution it's an electrolyte, with lots of little K+ and Br- ions floating around.
When carbon powder is added to water, the carbon powder will float on the surface of the water due to its low density. If stirred, the carbon powder may disperse throughout the water temporarily before settling back on the surface. Over time, the carbon powder may eventually sink to the bottom of the container due to its insoluble nature.
conduct a precipitation test
Graphite powder
At the room temperature they remain elements in a mixure; by heating a compound is obtained, carbon disulfide.
a very simple and a common technique to separate them out is use a magnet. Since a magnet attracts iron , bring a strong magnet in front of the mixture and almost all of the iron powder gets separated
The physical description of carbon : It is black and it comes in a powder form A form of carbon is diamond.
carbon
carbon dioxide
Carbon is not recommended in your diet. Elemental carbon can not be utilized by your body. It does not harm you if you take powder of carbon in your diet.