For the reduction of `FeO` at the temperature corresponding to point D, which of the following statements is correct?

For the reducetion of FeO at the temperature corresponding to point D, which of the following statements is correct ?

For the reduction of FeO with C at the temperature corresponding to (D) , which of the following statements is correct ?

On increasing temperature, which of the following statement is correct?

Which of the following defect is seen in FeO?

Which of the following reduction processes are correct