Boron and Silicon- Old is Gold Posted by EbookNepal.COM Categories Chemistry - Old is Gold, HSEB Notes Date December 7, 2016 Boron and Silicon- Old is Gold 1. Write the formula of Borax and boric acid. 2. Give an important use of Silicon. Tweet EbookNepal.COM Previous post Book Reviews: Download PDF Mp3 of Sadak Ra Pratibha - Santras, Antar Birodh, Naya Manche 5 December, 2016 Next post Madan Puraskar and Madan Puraskar Winners 7 December, 2016