Please answers all the questions above
Answers
1. LED
2.No, as Mercury is a pure liquid metal it conducts the electricity, but it is not an electrolyte, because an electrolyte is defined as a compound that ionizes when dissolved in suitable ionizing solvents such as water, Where Mercury is a metal element not a compound.
3.Copper sulphate is an ionic compound. The conduction of electricity is due to the ions in the ionic compound. When copper sulphate is dissolved in water, the ions dissociate and conduct electricity
4.The common thing is any material with free movement of electrons conducts electricity. ... Ions are charged particles either positive or negative. Electrons are negatively charged particles
5.Because our body is a good conductor of electricity and water is also a conductor
6.If we reverse the two terminals during electroplating then the ions deposited on the other plate will move back towards their initial place of origin
7. Water is a conductor