Misc: what is the second largest country?

Questions

Which country does the lion represent on the Queen's coat of arms?

Which planet takes 23 hours, 56 minutes and 4 seconds to revolve once on its axis?

What ingredient in smelling salts produces the dreadful smell?

Who ran the hospital at Scutari during the Crimean War?

What colour dots does the winner of the Tour de France mountain stage wear on his jersey?