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  4. Identify the chemical name of borax-bead from the following.

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Q. Identify the chemical name of borax-bead from the following.

NTA AbhyasNTA Abhyas 2020

Solution:

$Na_{2}B_{4}O_{7}10H_{2}O\overset{\Delta }{ \rightarrow }Na_{2}B_{4}O_{7}\overset{\Delta }{ \rightarrow }2NaBO_{2}+B_{2}O_{3}$