The metal which displaces hydrogen from a boiling caustic soda solution is (a) As (b) Zn (c) Mg (d) Fe The metal which displaces hydrogen from a boiling caustic soda solution is (a) As (b) Zn (c) Mg (d) Fe November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,