A. As a lubricant
B. As a rust preventive
C. In hard water for cleaning of cloth
D. As a foam depressant in distillation column
Correct Answer: As a lubricant ✔
Last Updated: February 14, 2019
A. As a lubricant
B. As a rust preventive
C. In hard water for cleaning of cloth
D. As a foam depressant in distillation column
Correct Answer: As a lubricant ✔
Last Updated: February 14, 2019