Imprimatura is a technique where a thin, transparent layer of paint, usually in earth tones, is applied over a white primed surface. This initial layer serves as an underpainting to establish the tone and mood of the artwork.
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: