RRB Junior Engineer / DMS / CMA 2015 · Question 33 of 480

Which out of the F, Br,Ca and Mg which are important elements because their salts are useful to humans may be grouped as halogens?

Chemistry - Compounds

Aa. F and BrCorrect
Bb. F and Ca
Cc. Br and Mg
Dd. Ca and Br

Answer: A. a. F and Br

Explanation

F (Fluorine) and Br (Bromine) are the first and third member respectively of halogen family. The elements of halogen groups are F (Fluorine), Cl (Chlorine), Br (Bromine), I (Iodine) and At (Astatine).

Source: Arihant RRB JE Solved Paper 26-Aug-2015 (3rd Shift), Q91–150 — published solved-paper compilation (Q1–90 technical not included in this source) · memory-based

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