There are different grades of magnesia carbon brick. And it is usually used for the lining and tap hole of steelmaking converter, the sidewall and slag line of high power electric ARC furnace and ladle slag line.
Carbon is a chemical element, not a property.
i think it is chemical but it may be physical.
chemical change
physical reaction, because there is no change in its chemical composition.
Carbon dioxide (CO2) is a chemical compound consisting of one carbon atom bonded to two oxygen atoms. It is a chemical property because it describes the composition and arrangement of atoms in a substance. However, in terms of physical properties, carbon dioxide is a colorless, odorless gas at standard temperature and pressure.
Carbon is a chemical element, not a property.
Black is the physical color of carbon, not its chemical property.
i think it is chemical but it may be physical.
It is a change in physical state, which is a physical change.
Frozen carbon dioxide is still carbon dioxide, so it is a physical change.
Physical: carbon is a non-metal and tin is a metal (both are solids at 25 Celsius) Chemical: carbon and tin both have 4 valence electrons.
Both chemical -- carbon, and physical -- 10 on the Mohs Scale of hardness for minerals.
chemical change
chemical
both
physical reaction, because there is no change in its chemical composition.
It is a chemical change.