Which of the following compounds contains(s) no covalent bond(s) KCL , PH3 , O2 , B2H6, H2SO4 B2H6 H2SO4 O2 PH3 Which of the following compounds contains(s) no covalent bond(s) KCL December 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,