Phosphorus is kept in water because

A. Its ignition temperature is very high

B. Its ignition temperature is very low

C. Its critical temperature is high

D. Its critical temperature is low

Answer: Option B

Solution(By Examveda Team)

White phosphorus is highly reactive, and spontaneously ignites at about 30°C in moist air. It is usually stored under water, to prevent exposure to the air. It is also extremely toxic, even in very small quantities.