Which of the following statements about tailing of Hg is/ are correct?
It is due to Hg2O
It is due to HgO
It is removed by H2O2
It is removed by O3
In tailing of Hg, it loses its meniscus and sticks to glass, due to solubility of Hg2O in Hg, when Hg gets oxidised to Hg22+ by O3. It is removed by H2O2.