In intaglio printing, the inked plate is placed on the press bed with the inked side facing upward. The paper is then carefully placed over the plate. Heavy pressure is applied using the etching press, ensuring the ink transfers from the recessed areas of the plate to the paper, creating the print.
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: