Did Noah take just two of each kind of animal on the ark?
No, he took two of the unclean and seven of the clean.
Was Elijah taken up in a chariot of fire?
No, he was separated from Elisha by a chariot of fire and taken up in a whirlwind.
Was Satan an angel before his fall?
My thought is "Yes" on this one. Specifically an archangel. That is still my thought. If you believe otherwise, I would like to read your explanation.
Were there three wisemen who came to the manger of Jesus?
It's possible. We don't know because the Bible doesn't say. Dr. J. Vernon McGee thinks it was more like 300.
Do angels sing?
That is debatable. Dr. David Jeremiah says "No" but I say "Yes". What do you say?