Which of the following is used as indelible ink (a) Aq. CuSO4 solution (b) Aq. AgNO3 solution (c) Aq. NaCl solution Which of the following is used as indelible ink (a) Aq. CuSO4 solution (b) Aq. AgNO3 solution (c) Aq. NaCl solution December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
