Out of coke and CO, which is better reducing agent for the reduction of ZnO? Why?

What is metallurgy?

Why should we have a ecofriendly metallurgical process?

Name some elements that occur as native elements.

What is meant by concentration?

Can the same method of extraction be used for all metals.

Name some common methods of ore concentration.

Name the two steps involved in the extraction of crude metal

Name some reducing agents used to convert Metal oxides to metal

Name the metals that are obtained from their oxides using hydrogen as reducing agent.

Name the various refining process.

Discuss the use of an acidic flux in metallurgy.

Why are sulphide ores converted to oxide form before reduction to metal?

Discuss the process of roasting with suitable example.

Write the two similarities between calcination and roasting.