Drypoint is not a painting medium; it is a printmaking technique where a needle is used to incise lines into a metal plate. In contrast, egg tempera, oil paints, and gouache are all painting mediums used to apply pigment onto a surface.
Each painting medium offers different textures, finishes, and durability for artistic expression.
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: