there are five branches: inorganic, organic, analytical, physical, and biochemistry. they could be further broken down into sub-branches such as organometallic chemistry, physical organic chemistry, electroanalytical chemistry, and so on and so forth.

Physical chemistry is a branch of chemistry in which physics has a special contribution.

Modern physical chemistry was developed after 1850.

the father of physical chemistry is "antoine lavoiser"

physical chemistry is the branch of scince and which deal with the petroliume