309. Metallic sodium is kept under kerosene oil because :
(a) The kerosene oil reduces the activity of sodium
(b) The temperature of sodium does not rise
(c) The sodium is insoluble in kerosene oil
(d) It is readily tarnished by moist air
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Answer:
Sodium is a highly reactive metal and reacts vigorously with the oxygen, carbon dioxide and moisture present in the air such that it may even cause a fire. To prevent this explosive reaction, Sodium is kept immersed in kerosene because Sodium doesn't react with kerosene.
Explanation:
option a is the answer
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