1是0.125的______倍,______是5.05的5倍.
(1)1÷0.125=8;
(2)5.05×5=25.25;
故答案为:8,25.25.
Little children should go to school to learn something.______, they should learn how to behave well in
social life.[ ]
A. After all
B. In all
C. At all
D. Above all
下列除去杂质的方法中,错误的是(括号内物质为杂质)( )
A.FeCl2溶液(CuCl2),加入过量铁粉、过滤
B.CH4(H2O),通过盛有浓硫酸的洗气瓶
C.CaCl2溶液(HCl)加入过量CaCO3、过滤
D.NaOH溶液[Ca(OH)2]过量Na2CO3溶液、过滤