Francis Galton authored the book “Fingerprint,” which laid the foundation for the scientific study and classification of fingerprints. His work highlighted the uniqueness of fingerprints, making them a vital tool in personal identification and forensic science.
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: