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Chemical Effect...

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  • Question 1
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    What will happen, When an electric current is passed through a conducting solution?

  • Question 2
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    An electric current can produce

  • Question 3
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    Of the following, the one that does not make use of chemical effect of electric current is :

  • Question 4
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    Tin cans, used for storing food are made by electroplating:

  • Question 5
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    In LEDs, the longer lead is connected to ................ and the shorter lead is connected to ...................

  • Question 6
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    Which of the following is not true about LED?

  • Question 7
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    What happens when you join the free ends of the tester for more than a few minutes?

  • Question 8
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    Which of the following devices can be used to detect a weak current?

  • Question 9
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    Galvanized iron is coated with a thin coating of

  • Question 10
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    An experiment is being conducted to test the conduction of electricity through vegetable oil as shown in image. Which of the following statement(s) is correct?

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