What is added to borax to obtain boric acid?

Give the chemical reaction for the preparation of a borax bead.

$H_3BO_3$ is

Consider the compounds,$BCl_3$ and $CCl_4$. How will they behave with water? Justify.

Which of the following is the most basic oxide?

Explain the following:
$(1)$ $BF_3$ does not hydrolyze.
$(2)$ Why does the element silicon not form a graphite-like structure,whereas carbon does?