Question
Chemistry Question on Hydrocarbons
Which one of the following substances used in dry cleaning is a better strategy to control environmental pollution ?
A
Tetrachloroethylene
B
Carbon dioxide
C
Sulphur dioxide
D
Nitrogen dioxide
Answer
Tetrachloroethylene
Explanation
Solution
Dry cleaning is any cleaning process for clothing and textiles using a chemical solvent other than water. The solvent used is typically toxic tetrachloroethylene.