Which is the largest-volume manufactured organic chemical?
A. Ethylene
B. Ethane
C. Formaldehyde
D. Carbonic acid
Answer:A
Which is the largest-volume manufactured organic chemical?
A. Ethylene B. Ethane C. Formaldehyde D. Carbonic acid
Explanation: Ethylene. It is not toxic to human beings or animals, but has adverse effects on plants when present at very small concentrations as well and hence acts as an air pollutant.