Tertiary colours are created by mixing a primary colour (red, blue, or yellow) with a secondary colour (green, orange, or purple). For example:
These colours add depth and variety to the artist’s palette, enabling the creation of more nuanced and complex colour schemes.
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: