Question. Could a dichromat probably easily distinguish chlorine gas from neon gas?
Answer. no
What step-by-step reasoning justifies that answer?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Reasoning: A dichromat is someone with color blindness that can have difficulty distinguishing red and green. Chlorine gas is green or yellow-green. Neon gas is red.