Chemical effects of electric currents
Quiz by SHWETA SINGH
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3 questions
Show answers
- Q1
In LEDs, the longer lead (wire) is always connected to the _______ terminal
neutral
none of them
negative
positive
30s - Q2
Tap water is a good conductor of electricity while distilled water is not because
None of the above
Both reasons are correct
Distilled water do not contain salt
Tap water contain salts
30s - Q3
Some liquids are good conductors of electricity and some are poor conductors. Which one is a poor conductor?
Acidic solution
Common Salt solution
Distilled water
Alkaline solution
30s