The salt given to litmus is antacid. is, subsequently, a salt with a solid base, and a feeble corrosive. When is warmed unnecessarily, it additionally enlarges to frame material . Subsequently must be borax. When warmed, borax loses water and enlarges to shape sodium metaborate. When warming is proceeded, the framing of a smooth material Y sets. In this way, should be a combination of metaborate sodium and boric anhydride.
At the point when concentrated corrosive is added to borax, white precious stones of orthoboric corrosive (Z) are framed.