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Boron is a rare element in Earth's crust. Kernite (or) Razorite is a mineral of Boron whose formula is
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a
Na2B4O7.10H2O
b
Na2B4O7.5H2O
c
Na2B4O7.4H2O
d
Na2B4O7
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Correct option is C
Sodium tetra borate tetrahydrate is Kernite (or) Razorite.Na2B4O7.4H2OSimilar Questions
Statement-I: Boron does not form [BF6]3-.
Statement-II: Boron does not have d - subshell in its valence shell.
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