Solved papers for JEE Main & Advanced AIEEE Solved Paper-2004

done AIEEE Solved Paper-2004 Total Questions - 1

• question_answer1) The soldiers of Napolean army while at Alps during freezing winter suffered a serious problem as regards to the tin buttons of their uniforms. White metallic tin buttons got converted to grey powder. This transformation is related to
  A)
  a change in the crystalline structure of tin
  done clear
  B)
  an interaction with nitrogen of the air at very low temperatures
  done clear
  C)
  a change in the partial pressure of oxygen in the air
  done clear
  D)
  an interaction with water vapour contained in the humid air
  done clear
  View Answer play_arrow