hrithi
Answered

when the free ends of a tester are dipped into a solution, the magnetic needle shows deflection.can you explain the reason?

Answer :

meenuzzzz
If the magnetic needle shows deflection,then it means that there produced some electic effect.
siddharth20

The solution must be possessing ions(acidic soln)when on passing electricity produces a magnetic effect around it causing the needle to deflect sharply.

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