下列有关问题,与盐的水解有关的是( ) ①NH4Cl与ZnCl2溶液可作焊接金属中的除锈剂;②用NaHCO3与Al2(SO4)3两种溶液可作泡沫灭火剂; ③草木灰与铵态氮肥不能混合施用;④实验室盛放Na2CO3溶液的试剂瓶不能用磨口玻璃塞;⑤加热蒸干AlCl3溶液得到Al(OH)3固体. A.①②③ B.②③④ C.①④⑤ D.①
Mick’s new DVD player is only about 20 cm ________ 15 cm and weighs ________ 2 kilos.
[ ]
A.
with; in
B.
by; about
C.
with; for
D.
between; over