Class VIII

Alnico is composed of iron
  1. nickel
  2. cobalt
  3. aluminum
  4. all of them
Like poles have force called
  1. attraction
  2. repulsion
  3. no force
  4. constant force
Natural magnet is also called as
  1. magnet
  2. magnetite
  3. magnesia
  4. Lodestone
Ceramic magnets are made of
  1. ferrites
  2. alnico
  3. magnetite
  4. copper
A rock which attracted iron materials was found by
  1. Greeks
  2. Trojans
  3. Egyptians
  4. Italians
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