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Home Questions & Answer Science Questions & Answers Chemical Engineering Questions & Answers

Chemical Engineering Questions & Answers (Compiled from UPSC, SSC ,PSC ,IBPS previous question papers)

  • All oxidation reactions are

  • AEndothermic with irreversible
  • BEndothermic with reversible
  • CExothermic with reversible
  • DExothermic with irreversible.
  • For an ideal gas mixture

  • Avolume % = weight % = pressure %
  • Bvolume % = mole % = pressure %
  • Cmole % = molecular weight % = pressure %
  • Dnone of these
  • Molality is defined as

  • AThe number of moles of solute dissolved in 1 litre of solution
  • BThe number of gram equivalent dissolved in 1 litre of solution
  • CThe number of mole of solute dissolved in 1 kilogram of solvent
  • DThe number of gram of solute dissolved in 1 kg of solvent.
  • Explanation:

     

     

  • In a closed system, there is 

  • ANo exchange of energy of the system
  • BExchange of mass with the surroundings
  • CExchange of mass and energy with the surroundings
  • DExchange of energy with the surroundings and not the mass.