MCQ or Multiple choice questions onÂ chemicalÂ effects ofÂ electricityÂ is for class VIII students of CBSE board. It must be noted that the world today is based in power ofÂ electricityÂ and uses various effects of electricity.Â ElectricityÂ is Â a very powerful source of energy and can easilyÂ transformÂ into another form of energy , which is then easily can be transmitted to various parts of geography . In order to understand theÂ properties ofÂ electricity, its various effects need deeper study.
The set of 10Â questionsÂ howeverÂ areÂ restrictedÂ to the chemical effect ofÂ electricityÂ which is aÂ chapterÂ in CBSE book for class VIII students .
Video on Chemical Effects of Electric Current
MCQ on Chemical Effect-CBSE
Chemical Effects of Electric Current
positive terminal of battery
Negative terminal of battery
Any terminal can be chosen
electric effect ocurrent
heating effect of current
glowing effect of current
Lighting effect of current
When there are more atoms and molecules in conductor than free electrons, so as to restrict movement of electrons on getting current.
When there are more free electrons than molecules and there is no restriction in movement of electrons on getting current.
When conductor has equal amount of free electrons and atoms and molecules
None of the above
Hydrogen is positive charge.
Hydrogen is negatively charged
That is because , it is the characteristic of acidulated water.
None of the above
Mica is good conductor of elctricity
Mica is bad conductor of electricity and heat.
Mica is bad conductor of electricity but good conductor of heat
Mica is very light and bad conductor of electricity.
All of above
Tin is less reactive than Iron.
Tin is more reactive than Iron
Tin is cheaper than Iron
Tin is lighter than Iron