下列化合物中属于弱电解质的是 A．BaSO4 B．HCl C．CO2 D．H2O_爱下问搜题

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问题选择题

下列化合物中属于弱电解质的是

A．BaSO₄

B．HCl

C．CO₂

D．H₂O

答案

答案：D

题目分析：AB是强电解质，C非电解质，D弱电解质。

填空题

用所给词的适当形式填空。

Salt used to tradition no more danger

1. The traffic here is very               for children.
2. I didn't               like him much when we were at school.
3. The water became very               in the Aral Sea.
4. There are                fish in the river.
5. London is                than Los Angeles.

单项选择题

中国南方电网有限责任公司企业标准，《10kV用电客户电能计量装置典型设计》与《低压用电客户电能计量装置典型设计》其中要求：三相电能表与三相电能表之间的水平间距不小于（）

A.80mm

B.60mm

C.500mm

D.100mm