General Science • ChemistryMedium
Which of the following metals is stored under kerosene oil to prevent accidental ignition and rapid oxidation upon contact with atmospheric moisture and oxygen?
A. Magnesium
B. Aluminum
C. Sodium✓ Correct Answer
D. Copper
💡 Solution & Explanation
Sodium is an extremely reactive alkali metal that reacts vigorously and exothermically with moisture and oxygen present in the air, releasing flammable hydrogen gas that can catch fire spontaneously. To prevent this hazardous reaction, sodium metal is always immersed and stored under kerosene. Potassium is another highly reactive metal stored similarly.
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