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.



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