P-Block Elements Ques 251
Question: The element which catches fire in air at $ 30^{o}C $ and is stored under water is
[BHU 1973; MP PET 1989,99]
Options:
A) Calcium
B) Sodium
C) Phosphorus
D) Zinc
Show Answer
Answer:
Correct Answer: C
Solution:
Because of its very low ignition temperature (303K) it is always kept under water.