Solved papers for JEE Main & Advanced JEE Main Paper (Held On 19 May 2012)

done JEE Main Paper (Held On 19 May 2012) Total Questions - 2

• question_answer1) On addition of 1 mL of 10% NaCl solution to 10 mL gold sol in the presence of 0.025 g of starch, the coagulation is just prevented. Starch has gold number     JEE Main  Online Paper (Held On 19  May  2012)
  A)
  2.5                         
  done clear
  B)
                         25
  done clear
  C)
                         0.25                                       
  done clear
  D)
                         0.025
  done clear
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• question_answer2) Fog is a colloidal solution of         JEE Main  Online Paper (Held On 19  May  2012)
  A)
  solid particles dispersed in gas
  done clear
  B)
                         solid particles dispersed in a liquid
  done clear
  C)
                         liquid particles dispersed in gas
  done clear
  D)
                         gaseous particles dispersed in a liquid
  done clear
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