Q. Where is Lithium stored?

A
Water
B
Concrete box
C
Paraffin wax
D
None of these
Solution:
  • Because of its reactivity with water, lithium is usually stored in a hydrocarbon sealant, often petroleum jelly.
  • Though the heavier alkali metals can be stored in more dense substances, such as mineral oil, lithium is not dense enough to be fully submerged in these liquids.
  • Lithium cannot be stored in kerosene oil , because it is the lightest metal and it floats on its surface and react with air .
  • Therefore it is kept wrapped in paraffin wax.
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