Mention three important uses of borax.

Explanation

It is used:
(i) as a flux in the soldering and welding industries .
(ii) in the manufacture of borosilicate glass ( or pyrox glass) .
(iii) in making enamels and glazes.
(iv) in stiffening of candle wicks.
(v) in softening of water.
(vi) in qualitative analysis for borax bead test in laboratory.