Class IX

In a dry cell anode is made up of
  1. zinc
  2. calcium
  3. sodium
  4. graphite
Oxidation state of group IIIA metals is
  1. -3
  2. 3
  3. 0
  4. 1
Electrolyte used for tin plating is
  1. sulphide ore
  2. stannous sulphate
  3. hydrogen sulphate
  4. sodium chloride
An electrolytic cell uses electrical energy to drive
  1. chemical reaction
  2. physical reaction
  3. no reaction
  4. none of above
Elements whose oxidation number is increased are
  1. reduced
  2. hydrogenated
  3. oxidized
  4. none of above
Time Elapsed

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