The proper sequence begins with securing the crime scene to prevent contamination (B), followed by documentation through photography and videography (C). Evidence is then collected systematically (A) and finally packaged appropriately to maintain its integrity (D).
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: