which chamical process is used for obtaining a metal from its oxide?
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the chemical process used for obtaining a metal from its oxide is reduction
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we can use another effect of an electric current to make another kind of tester do you recall that electric current produces a magnetic effect what happens to a compass needle kept near by when current flows in a wire even if the current is more the deflection of magnetic needle can be seen can we make a tester using the magnetic effects of current lesson let us find out
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