Cbse Social science notes class-10th
Minerals and Energy Resources Minerals and their Mode of Occurrence •Minerals in homogenous naturally occurring inorganic substances with a definable internal structure. •Found in rocks beneath the earth's surface in the form of Compounds. •Possess a solid crystal structure.Having a definite chemical composition comprising one or more elements. •Can be identified by their physical and chemical properties. •Different appearances and occurrence in various form, in a wide range of colours, hardness forms lustre and density.As all minerals are formed formed from a certain combination of elements which depends upon the chemical and physical conditions under which the mineral forms.The geologists use these properties to categorise minerals. Important Of Minerals: • Everything we use, eat and drink has minerals. • Economic development of people or nation can be vastly accelerated by the presence of valuable minerals in the countries. • Make our life Comfortable and Convenient. • They are