皮皮学，免费搜题
登录
搜题
【单选题】
汽车、电动车一般使用铅酸蓄电池，某铅酸蓄电池用的是28％的稀硫酸，现用1.0kg98％的浓硫酸配制该稀硫酸。下列说法中正确的是 [ ]A.
28％的稀硫酸中溶质与溶剂的质量比为28∶100
B.
用1.0kg98％的浓硫酸可配制3.5kg28％的稀硫酸
C.
配制该稀硫酸时，把容器内壁缓慢注入浓硫酸中
D.
配制好的稀硫酸可以存放在铁制容器中
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Jobs No matter how well you do your job, you may not always be __41__ (appreciate)or rewardedfor the work you do. You could also a number of challenges in your workplace such aslong hoursand tight dea...
【单选题】No matter how well prepared we are to solve problems, there will always be ________.
A.
the unknown
B.
risks
C.
opportunities
【简答题】No matter how well you prepare, sometimes things still .
【单选题】------ Our holiday cost a lot of money. ------ Did it? Well, that doesn’t matter ______ you enjoyed yourselves.
A.
as long as
B.
unless
C.
as soon as
D.
though
【单选题】No matter how well you prepare, somethings still _______.
A.
go bad
B.
go down
C.
go up
D.
go wrong
【单选题】_____ well you drive, you must drive carefully. [ ]
A.
No matter where
B.
In order that
C.
No matter how
D.
As soon as
相关题目：
参考解析：
知识点：
题目纠错 0
发布
