Organic and inorganic compounds. Several chemical compounds are found in our surrounding. Some of them are obtained from living sources, whereas some from non-living sources, common salt, copper sulphide, lime stone, washing soda and baking soda. These are obtained from minerals and is called inorganic compounds. Inorganic compounds are obtained from minerals or prepared in a laboratory by using non-living sources. Fat, petroleum, sugar, works, alcohol, etc. These are obtained from living sources like plant and animals. Such compounds which are obtained from living sources like plant and animals are called organic compounds. Organic compounds are rich in carbon and hydrogen and also known as hydrocarbon.