A:某无色溶液中可能大量存在Al3+、NH4+、Cl-、SiO32-
B:小苏打溶液中,可能大量存在I-、NO3-、Ba2+、ClO-
C:在水电离出H+浓度为1×10-13mol·L-1的澄清透明溶液中可能大量存在Mg2+、Cu2+、SO42-、NO3-
D:使甲基橙呈红色的溶液中,可能大量存在Na+、K+、AlO2-、Cl-
There were two students in the class buildings during the earthquake, but of them failed to run out.
土豆西红柿面条仅售3元。
The____ and____ noodles are only 3 yuan.