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JAMB Chemistry 2001 Question 21

Question 21

Hydrogen, Oxygen and Oxides

Phosphorus is stored under water to prevent it from

  1. A.dehydrating
  2. B.becoming inert
  3. C.smelling
  4. D.catching fire.
Show the answer and explanation

Answer: D (catching fire.)

Explanation

White phosphorus catches fire on its own in air at about 30°C, so it is kept under water away from oxygen.