The chemical composition of basic slag is

Solution (By Examveda Team)

Basic slag is low in silica and high in base-forming oxides that are used in the basic process of steelmaking and that are subsequently useful as a fertilizer.
A basic slag contains oxides like MgO and CaO, which makes the slag thicker.
The chemical composition of basic slag is (CaO)₃P₂O₅, SiO₂.