Detect analogy : Chlorine : Fluorine : Iodine

A. These are names of inert gases.
B. These are gases at room temperature.
C. These are transition elements.

D. These are halogens.

Detect analogy : Chlorine : Fluorine : Iodine | These are halogens. | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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