Although carbon and hydrogen are better reducing agents but they are not used to reduce metallic oxides at high temperatures. Why?

Although carbon and hydrogen are good reducing agents, they are not used in the reduction of metal oxides at high temperatures - why ?

Hydrogen is used as a reducing agent.

Hydrogen fluoride is a better reducing agent than hydrogen bromide.

Which is better reducing agent at temperature 983 K, C or Co?

Hydrogen is a good reducing agent. It reduces metallic oxides into metals. (True / False)

Explain - Carbon and hydrogen are usually not used as reducing agents at higher temperature.

Hydrogen is used as a reducing agent in the extraction of

At what temperature can carbon be used to reduce ferric oxide?