QUESTION: Generate a question with a factual answer?

ANS: Under what condition can ferrous hydroxide be oxidized?

QUESTION: Generate a question with a factual answer?

ANS: Describe the command of Prince Ferdinand of Brunswick.

QUESTION: Generate a question with a factual answer?

ANS: Who created Quranic manuscripts before the 19th century?

QUESTION: Generate a question with a factual answer?

ANS:
Which artistic principle was innovated by Brunelleschi?