What are the characteristics of ethylene glycol?

• A. Non-toxic and odorless.
• B. Sweet to taste but bitter aftertaste.
• C. Toxic, odorless, colorless, and sweet to taste.
• D. Toxic, but has a strong odor.

Answer: (C)

Ethylene glycol is dangerous because it is toxic while being colorless and odorless, and it tastes sweet. This combination makes ingestion easy to miss, so the statement that it is toxic, odorless, colorless, and sweet to taste is the most accurate description. Other options fail because they either imply non-toxicity, mention an odor that isn’t present, or omit one of the key traits (toxicity, odorless/colorless nature, or sweetness).