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Question Detail

Conduction band electrons have more mobility than holes because they are

  • experience collision more frequently
  • experience collision less frequently
  • have negative charge
  • need less energy to move them

Answer: Option B

Similar Questions :

1. Ozone is :

  • Non-magnetic
  • Paramagnetic
  • Ferromagnetic
  • Diamagnetic

Answer: Option D

2. Iodine can be separated from a mixture of Iodine and Potassium Chloride by ?

  • Filtration
  • Sublimation
  • Distillation
  • Sedimentation

Answer: Option B

3. What is the chemical name of table salt ?

  • Sodium nitrate
  • Ammonium chloride
  • Sodium chloride
  • Calcium chloride

Answer: Option C

4. Which gas is used in fire extinguishers ?

  • Carbon dioxide
  • Nitrogen oxide
  • Carbon monoxide
  • Sulpher dioxide

Answer: Option A

5. What is extracted from Bauxite ?

  • Mica
  • Aluminium
  • Copper
  • Tin

Answer: Option B

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