It would be chemical.
the sun Not only were greenhouse heated from the engery produced by the sun but also by heat from paraffin heaters and heated water pipes heated by coal or wood fires.
It got heated because there was actually fighting allowed!
none
The Roman public bathhouses were heated using a series of lead pipes that fed in hot water. The water was heated outside and run down through the pipes which made lots of steam to heat the bathhouses.
Calcium oxide
It is a chemical change, because the borax reacts to the heated water.
if u heated them then its a physical change if u chucked another chemical on them its a chemical change if u did both then its a change of clothes
chemical
chemical
It is a physical change
It is what is called a phase change.
physical change
Thermal decomposition and loss of water are chemical changes.
That is a physical change because it has not had an explosive or bubbly substance.
When it is iodine (I2) it is only physical sublimation of the black (metallic shiny) I2 crystals into purple heavy gas clouds or fumes
Melting is a physical process.
between your 2 choices its physical, when air is heated molecules move more quickly