Question

What is tincal and write its formula?

Answer 1

Tincal:

• Tincal is a mineral version of the inorganic compound Borax that naturally occurs.
• Borax is a colourless, crystalline material that is soluble in water. It is most usually encountered in the form of tincal, which has the chemical formula -${\mathrm{Na}}_2{\mathrm{B}}_4{\mathrm{O}}_7.10{\mathrm{H}}_2\mathrm{O}$.
• Although, several water of crystallization can be encountered with borax; the most popular version of borax is the sodium tetraborate decahydrate compound.