CBSE Chemical Effects of Electric Current Class 8 Extra Questions
Materials which allow electric current to pass through them are good conductors of electricity and which does not allow electric current to pass through them are good conductors of electricity
We should not experiment or play with the electrical appliances
Some liquids are good conductor of electricity and some are bad conductors of electricity
Most liquids that conduct electricity are solutions of acids, bases and salts
CBSE Revision Notes 