Kaolin, also called China Clay, is named after Gaoling village in China, where it was first discovered. It is a pure white clay used extensively in porcelain production. Other clays like red, ball, and brown clay have different compositions and are not Kaolin.
Europium (Eu) resembles Calcium (Ca) in the following ways:
(A). Both are diamagnetic
(B). Insolubility of their sulphates and carbonates in water
(C). Solubility of these metals in liquid NH3
(D). Insolubility of their dichlorides in strong HCI
Choose the correct answer from the options given below: