1. Different definitions
Organic matter is a carbon-containing compound. Inorganic compounds are compounds that do not contain carbon.
2. Different constituent elements
Organic matter has fewer constituent elements. Inorganic substances mainly include water and some inorganic ions.
3. Different properties
Most organic substances are insoluble in water. Most inorganic substances are easily soluble in water.
4. Different types
There are many types and huge numbers of organic compounds. Inorganic substances can be classified into four categories: oxides, acids, bases and salts.