Ferric chloride is a chemical commonly used in intaglio printmaking to etch copper plates. When applied, it reacts with the exposed areas of the copper plate, corroding them to create grooves. These grooves hold ink, which is transferred to paper during the printing process.
LIST I | LIST II | ||
---|---|---|---|
A | Water colour | I | Egg |
B | Tempera | II | Conte Crayons |
C | Pastel | III | Wash |
D | Tonal Drawing | IV | Gum or Resin/Wax |
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: