Physical change is a change in the structure. Chemical change is a change in the composition. Melting is a physical change. Complexing is a chemical change.
A chemical change is a change of the identity of a substance. Or A chemical change is a change of the substances into a new substance.
not always, like the change is in the display without change in composition then it is change of state, other then will be chemical change
physical change
physical change
NEPA was changed to PHCN (Power Holding Company of Nigeria) in 2005.
A PHCN meter measures electric power for prepaid meters in Nigeria.
Nepa's population is 3,621.
nepa inventory system
PHCN
Nepa cinerea was created in 1758.
Rose Anne Nepa is 5' 4".
NEPA is an abbreviation for National Environment Policy Act, which was released in USA. It was used to estimate the government's impact on environment and reduce it.
national environment policy
National entertainment program administration
The ecosystem of sea and desert is not available in Nepal.
Starting salary in NEPA is $30k.