Class VIII

The whole apparatus of electrodes, electrolytes and vessel containing them is called _ 
  1. Thermometer 
  2. Electrometer 
  3. Voltameter 
  4. Ammeter 
The liquid will conduct electric current in a circuit when the vessel id filled with _ . 
  1. Distilled water 
  2. Salt solution 
  3. Air 
  4. Helium 
Pure water is a good conductor of electricity. The statement is
  1. always true.
  2. false
  3. sometimes true.
  4. none of these
Most liquids that conduct electricity are solutions of _ 
  1. Acids 
  2. Dases 
  3. Salts 
  4. All of these 
Flow of electron is called
  1. Electroplating
  2. Electric current
  3. Electrodes
  4. Electrolyte
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