What is chemistry ! definition of Chemistry
“ Chemistry ” is a branch of science in which we study the structure , property and composition a matter. Chemistry is a broad practical science which have several sub branches like organic chemistry, inorganic chemistry, physical chemistry , analytical chemistry biochemistry etc. In “ ORGANIC CHEMISTRY ” we study the compounds of carbon , While in “INORGANIC CHEMISTRY” we study elements and their compounds except the compounds of carbon. In “ PHYSICAL CHEMISTRY " we study the rules and principles of chemical reactions. In “ BIOCHEMISTRY ” we study the chemical reactions within the body of organism and also the substances obtained from animals and plants. Chemistry is not completed here, there are several sub-branches.