Would you like _____________ cup of tea? 发布时间:2017-04-15 05:27 │ 来源:www.tikuol.com 题型:选择题 问题: Would you like _____________ cup of tea?[ ]A. anB. aC. theD. two
题型:选择题 在下列各溶液中,离子一定能大量共存的是[ ]A. 强碱性溶液中:K+、Al3+、Cl-、SO42- B. 含有0.1 mol/L Fe3+的溶液中:K+、Mg2+、I-、NO3- C. 含有0.1 mol/L Ca2+的溶液中:Na+、K+、CO32-、Cl- D. 室温下,pH=1的溶液中:Na+、Fe3+、NO3-、SO42- 查看答案