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Standard X
Physics
Question

Which of the following statements is true ?
  1. Charge flows only through negative charge carriers
  2. A metal wire shows chemical effect when a current is passed through it
  3. Electrolysis is one of the applications of chemical effects of current
  4. Like charges attract each other

A
Charge flows only through negative charge carriers
B
A metal wire shows chemical effect when a current is passed through it
C
Like charges attract each other
D
Electrolysis is one of the applications of chemical effects of current
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Solution
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Electrolysis is a method of using direct electric current to drive a chemical reaction. It involves the interchange of atoms and ions by the removal or addition of electrons.

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