Moissan Boron is amorphous Boron of ultra high purity.
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Similar Questions
Q1
The enthalpy of transition of crystalline boron to amorphous boron at 1500oC is 0.4kcalmol−1. Assuming at.wt. of boron is 10, the change in enthalpy of transition (in kcalmol−1) of 50 g boron from crystalline to amorphous form is ______.
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Q2
Amorphous boron of 95% to 98% purity is obtained by:
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Q3
Both the amorphous and crystalline forms of boron are very reactive in air.
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Q4
Amorphous boron is extracted from borax following steps :