A. it is clear B. it is liquid C. it can carry electric current easily D. it is cold 相关知识点: 试题来源: 解析 C。中文解析:水是电的良导体是因为它能很容易地传导电流。A 选项“它是清澈的”,B 选项“它是液体”,D 选项“它是冷的”都与水是电的良导体的原因无关。反馈...
Q3 Sea water is a good conductor of electricity but distilled water is not because : View Solution Q4 Pure distilled water is a good conductor of electricity - True or False? View Solution Q5 Distilled water is a poor conductor of electricity because___. View Solution COMPANY About...
No, pure water doesn’t conduct electricity; by itself, it is a poor conductor of electricity. However, water contains charged ions and impurities that make it a very good conductor of electricity. You may have heard this about water and electricity: water conducts electricity. This ...
Deionized pure water is a poor electrical conductor, having a resistivity of 18.2 million ohm-cm (18.2 megohm) and conductivity of 0.055 microsiemens. It is the amount of ionized substances (or salts) dissolved in the water which determines water’s ability to conduct electricity. Therefore, ...
Pure water is a poor conductor of electricity and since electricity will do the real work of removing metal from the lid, we will need to add something to the water to provide freeions. Ions are simply atoms of an element that have either more or fewer electrons than normal and can ...
Why is fluorine a poor conductor of electricity ? What is the structure of a thermocouple and why does it need to be amplified? Why should a 330 ohms resistor be used for LED in a light dependent resistor circuit? What is the difference between sterilization a...
But isn't water a conductor? Not quite. Pure H20 (i.e., distilled water) is a poor conductor. In fact, in laboratories, they usually call it "deionized water," because there are few free ions (which are needed to conduct electricity). If there were NO free ions, water would be an...
The meaning of WATER is the liquid that descends from the clouds as rain, forms streams, lakes, and seas, and is a major constituent of all living matter and that when pure is an odorless, tasteless, very slightly compressible liquid oxide of hydrogen H2
very slightly compressible liquid oxide of hydrogen H2O which appears bluish in thick layers, freezes at 0°C and boils at 100°C, has a maximum density at 4°C and a high specific heat, is feebly ionized to hydrogen and hydroxyl ions, and is a poor conductor of electricity and a good...
The meaning of WATER is the liquid that descends from the clouds as rain, forms streams, lakes, and seas, and is a major constituent of all living matter and that when pure is an odorless, tasteless, very slightly compressible liquid oxide of hydrogen H2