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NTSE Sample Paper NTSE SAT Practice Test-15

  • question_answer
    The two electrodes are dipped in distilled water when they are connected along with a battery and bulb. The brightness of balb ______, when common salt is gradually added to it.

    A) increases      

    B) decreases

    C) remains same  

    D)        none of the above

    Correct Answer: A

    Solution :

    [a] Salts increase conductivity or salts are good conductor of electricity         


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