Question 282 Deck General
70% to passWhich is a solid at ambient temperature?
A
Methyl chloride
B
Naphthalene
C
Aniline
D
Formic acid
AI Explanation
The correct answer is B) Naphthalene. Naphthalene is a solid at ambient temperature, while the other choices (methyl chloride, aniline, and formic acid) are liquids or gases at normal room temperature. Naphthalene is an aromatic hydrocarbon that is commonly used in mothballs and as a component in some fuel additives. Its solid state at ambient conditions is a key property that distinguishes it from the other options provided.
Related Questions
Q1913:When water-cooled engines are installed on small passenger vessels, the cooling ...
Q331:Who must approve the carriage of a liquefied gas not appearing in table 4 of 46 ...
Q2301:"Hanging a barge off" means to _______________.
Q3482:During a storm, the mooring line on a MODU should be long enough so that the ang...
Q816:What are the minimum ventilation requirements for pump rooms on tank vessels, co...
Ready to test your knowledge?
Take a Deck General Practice Exam
Official Resources
Pass Your Coast Guard Licensing Exams!
Study offline, track your progress, and simulate real exams with the Coast Guard Exams app