Questions asked by Akshu

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• What is the flux used in the extraction of cast iron from hamatite ore?
  
• Find a vector perpendicular to each of the vector #a=2i+j+3k# and #b=3i+5j-2k#, which has magnitude of #10# units?
  
• Ionic equation for the reaction between dichromate ions & hydroxyl ions?
  
• An urn contains 5 red& 2 black balls. Two balls are randomly selected. Let X represents the number of black balls, what are the possible values of X?