Which of the following oxides cannot be reduced by hydrogen?
Answer: B
(b) Aluminium oxide
Which of the following slags is produced during extraction of iron?
Answer: A
(a) CaSiO3
In a thermite process is used as reducing agent.
Answer: B
(b) Al
From the Ellingham graph between Gibb’s energy and temperature, out of C and CO with is a better reducing agent for ZnO?
Answer: A
(a) Carbon