p-Block Elements – I — Chemistry STD 12 — Question
Tamilnadu BoardEnglish MediumSTD 12Chemistryp-Block Elements – I3 Marks
Question
How will you convert, boric acid into,
Boron trifluoride
Borax
✓
Answer
1. Boron trifluoride : Boric acid reacts with calcium fluoride in presence of cone. Sulphuric acid and gives boron trifluoride. 2. Borax: Boric acid, when heated with soda ash it gives borax.
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