Solved papers for JEE Main & Advanced AIEEE Solved Paper-2003

done AIEEE Solved Paper-2003 Total Questions - 5

• question_answer1) Which one of the following processes will produce hard water?     AIEEE  Solved  Paper-2003
  A)
  Saturation of water with \[CaC{{O}_{3}}\]
  done clear
  B)
  Saturation of water with \[MgC{{O}_{3}}\]
  done clear
  C)
  Saturation of water with \[CaS{{O}_{4}}\]
  done clear
  D)
  Addition of \[N{{a}_{2}}S{{O}_{4}}\] to water
  done clear
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• question_answer2) Several blocks of magnesium are fixed to the bottom of a ship to     AIEEE  Solved  Paper-2003
  A)
  keep away the sharks  
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  B)
  make the ship lighter
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  C)
  prevent action of water and salt
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  D)
  prevent puncturing by under-sea rocks
  done clear
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• question_answer3) In curing cement plasters water is sprinkled from time to time. This helps in     AIEEE  Solved  Paper-2003
  A)
  keeping it cool
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  B)
  developing interlocking needle-like crystals of hydrated silicates
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  C)
  hydrating sand and gravel mixed with cement
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  D)
  converting sand into silicic acid
  done clear
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• question_answer4) The solubilities of carbonates decrease down the magnesium group due to a decrease in     AIEEE  Solved  Paper-2003
  A)
  lattice energies of solids
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  B)
  hydration energies of cations
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  C)
  inter-ionic attraction
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  D)
  entropy of solution formation
  done clear
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• question_answer5) The substance not likely to contain \[CaC{{O}_{3}}\] is     AIEEE  Solved  Paper-2003
  A)
  a marble statue               
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  B)
  calcined gypsum
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  C)
        sea shells                            
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  D)
  dolomite
  done clear
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