Q. Which one of the following substances is used in the laboratory for a fast drying of neutral gases?
A) Phosphorus pentoxide
B) Active charcoal
C) Anhydrous calcium chloride
D) $Na_{3}PO_{4}$
Explanation
(c)
Anhydrous $CaCl_{2}$ is used for fast drying of neutral gases.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.