Black soil is also called as regur soil or cotton soil.
It is the third major group of soil in India.
The soil is in black colour.
The soil is the top part of the earth’s surface,that includes disintegrated rock, humus, inorganic, and organic materials
It is formed by the weathering of igneous rock.
Therefore it is a type of residual soil.
It is majorly found in Gujarat, Maharashtra, Western parts of Madhya Pradesh, North- Western Andhra Pradesh, Karnataka, Tamil Nadu, Rajasthan, Chhattisgarh.
The soil is rich in minerals like Iron, lime, calcium, potash, magnesium and aluminium.
It has high water retaining capacity.
It is clayey in texture and is impermeable.
Crops like cotton, tobacco, sugarcane, jowar etc. can be grown on black soil.
Final answer: Black soil is a type of Residual soil.