B.P.S.C. School Teacher (Class 6-8) 09-12-2023
Al2O3.2SiO2.2H2O is the chemical formula for
aMonazite
bChina clay✓ Correct
cSand
dMore than one of the above
eNone of the above
Explanation
Kaolin was first discovered in Kaoling (China); therefore, it is also called china clay. It is a naturally occurring soft white substance. Its chemical formula is Al2O3·2SiO2·2H2O. Its chemical name is hydrated aluminium silicate.
general-science