Headspace Gas Chromatography (GC) is a specialized technique for analyzing volatile compounds such as alcohol in biological samples. It minimizes contamination by isolating the volatile substances in a sealed system, making it highly reliable for forensic toxicology.
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: