Green
Red
Crimson
Blue
Answer is Right!
Answer is Wrong!
The correct answer is A. Green.
Arsenic produces a green flame when heated in a Bunsen burner flame. This is due to the presence of arsenic trichloride, which is formed when arsenic is heated in air. Arsenic trichloride is a green-colored compound that emits a green light when heated.
The other options are incorrect. Red is the color produced by lithium, crimson is the color produced by strontium, and blue is the color produced by copper.