engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) Soil Mechanics and Foundation Engineering Soil Structure and Clay Mineralogy
The octahedral structural unit of clay minerals consists of _______ hydroxyls forming a configuration of an octahedron and having one aluminium atom at the centre.
1
seven
2
six
3
eight
4
four
5
nine