KBC 2023| Which of these elements is in the gaseous form at room temperature?

KBC 2023, Check the answer to the question- Which of these elements is in the gaseous form at room temperature?

KBC 2023, The options of the question – Which of these elements is in the gaseous form at room temperature?

A. Oxygen

B. Mercury

C. Iron

D. Chlorine

The answer is A. Oxygen.