WBCS 2024 · Question 149 of 196
Geography
Official WBPSC key (Series A): (A) Ten Degree Channel. All three elements have radioactive isotopes: Element Radioactive Isotopes Fluorine F-18, F-20, etc. Chlorine Cl-36, Cl-38, etc.
Source: WBCS (Exe) etc. (Prelim) 2024, Series A
Practice the full WBCS 2024 paper
Timed test with all 196 questions, just like the real exam.
Start test