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Science CBSE Homework Assignments
Class 8
Chemical effects of electric current
Conductivity by liquids and Conductors
2.
Conductors and conductivity of liquids: choose the correct answer
Question:
3
m.
Choose the correct answer
:
1
.
The materials that do not conduct electricity are referred to as __________.
good conductors
poor conductors
insulators
None of these
2
.
The liquids that allow electricity to pass through them are known as __________.
solutions
electrolytes
solutes
solvents
3
.
The filament of a bulb made up of __________.
iron
cadmiun
tungsten
magnesium
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