Compounds of ですか

• ですか
  (exp) indicates question (sentence end)
• ですから
  (conj) so
  therefore
  (P)
• ものですか
  (exp) (fem) used to create a rhetorical question indicating that the speaker actually believes the opposite is true
• もんですか
  (exp) (fem) used to create a rhetorical question indicating that the speaker actually believes the opposite is true
• お元気ですか
  (exp) how are you?
• ものですから
  (exp) reason or excuse (nuance of seeking understanding)
• そうなんですか
  (exp) is that so?
• どうかしたのですか
  (exp) is something up?
  is something wrong?
• どうかしたんですか
  (exp) is something up?
  is something wrong?
• いったい何なんですか
  (exp) what is it exactly?
  what is it precisely