Which contains both polar and non – polar bonds (a) NH4CL (b) HCN (c) H2O2 (d) CH4 Which contains both polar and non - polar bonds (a) NH4CL (b) HCN (c) H2O2 (d) CH4 December 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,