mixing baking soda with water is a physical change b/c you don't change the chemical structure
mixing baking soda with vinegar is a chemical change b/c you change the chemical structure
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It is definitely a chemical reaction resulting in a chemical change.
it is chemical change because it loses liquid and gas while heating
It is a chemical change because it involves heat.
No. Grinding baking soda into a powder is a physical change. If the baking soda powder then reacted with something to form another thing, that would be a chemical change.
chemical
chemical
It is a physical change
It would be chemical.
It is what is called a phase change.
physical change
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
Thermal decomposition and loss of water are chemical changes.
That is a physical change because it has not had an explosive or bubbly substance.
It is a chemical change, because the borax reacts to the heated water.
Melting is a physical process.
between your 2 choices its physical, when air is heated molecules move more quickly
If it is just heated, the reaction is physical. If there is burning in the process, than the state of the copper will change, making it a chemical reaction.