片剂重量差异限度
A.软膏剂B.颗粒剂C.胶囊剂D.注射剂E.药物制剂
参考答案:E
下列反应的离子方程式中正确的是 [ ]
A.向Ba(OH)2溶液中加入过量NaHSO4溶液:Ba2++OH-+H++SO42-═BaSO4↓+H2O
B.含0.1molFeI2的溶液中滴加含0.05molCl2的氯水:2Fe2++4I-+3Cl2═2Fe3++6Cl-+2I2
C.氯化铝溶液中滴加过量的氨水:Al3++3NH3·H2O═Al(OH)3↓+3NH4+
D.小苏打与少量Ca(OH)2溶液混合:Ca2++OH-+HCO3-═CaCO3↓+H2O
Nowadays science fiction isn’t as ______ as cartoons among teenagers.[ ]
A. popular
B. more popular
C. less popular
D. the most popular