Translation of "which one" into Portuguese

Phrases similar to "which one" with translations into Portuguese

• which plane did he arrive on?
  em que avião ele veio?
• on which
  na qual · no qual
• the one which
  a que
• which one's
  cujo · de que · de quem · do qual
• one in a series of factors which lead, or purport to lead, to downfall
  mais um prego no caixão (de)
• which one?
  qual?
• which one?
  qual?