Environmental Chemistry Question 60
Question: Which one of the following substances used in dry cleaning is a better strategy to control environmental pollution-
Options:
A) Sulphur dioxide
B) Carbon dioxide
C) Nitrogen dioxide
D) Tetrachloroethylene
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Tetrachloroethylene is widely used for dry- cleaning fabrics and metal degreasing operations.