1) Which of the following is a bad conductor of electricity? a) Distilled water b) Silver nitrate c) Sulphuric acid d) Copper sulphate 2) Which of the following does not conduct electricity? a) Sugar solution b) Vinegar solution c) Lemon juice solution d) Caustic soda solution 3) An electric current can produce a) heating effect b) chemical effect c) magnetic effect d) all of these 4) Pure or distilled water is a a) poor conductor b) good conductor c) both (a) and (b) d) none of these 5) Polythene is a) a conductor b) an insulator c) both (a) and (b) d) none of these 6) Electroplating is based on a) heating effect of electricity b) chemical effect of electricity c) physical effect of electricity d) magnetic effect of electricity 7) Copper is a) a good conductor b) an insulator c) both (a) and (b) d) none of these 8) Waste from an electroplating factory must be disposed off a) in the nearby river b) in the nearby pond c) in the nearby cornfield d) according to the disposal guidelines of Waste Management Bodies 9) An electric lamp glows due to a) heating effect b) magnetic effect c) chemical effect d) physical effect 10) An electrolyte is a) a metal b) a liquid that conducts current c) a non-metal d) none of these

Electricity 2

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