CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Electrolytic Refining of Copper

In extractive...

Question

In extractive metallurgy of zinc, partial fusion of ZnO with coke is called and reduction of the ore to molten metal is called (smelting, calcining, roasting, sintering).
1. Roasting; calcining
2. Roasting; smelting
3. Sintering; smelting
4. Sintering; calcining

Open in App

Solution

In extractive metallurgy of zinc, partial fusion of $Z n O$ with coke is called sintering and reduction of the ore to molten metal is called smelting.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Identify x, y and z for the following metallurgical process:

Metal sulphide x \to Metal oxide y \to Impure metal z \to Pure metal

Calcination or Roasting will be done for the products of the smelting process to remove impurities.

Q. What is the appropriate order of processes for the extraction of lead from Galena?
A) Froth flotation B) Calcination C) Roasting D) Self Reduction E) Electrolytic Reduction F) Smelting

Q. Calcination and roasting are pre treatments in metallurgy before metal extraction. Differentiate between calcination and roasting?

Q. Consider the following statements and arrange in the order of true/false as given in the codes.

S_{1}

: In the aluminothermite process, aluminium acts as reducing agent.

S_{2}

: The process of extraction of gold involves the formation of

[A u (C N_{2})]^{-}

[Z n (C N)_{4}]^{2 -}

.

S_{3}

: In the extractive metallurgy of zinc, partial fusion of ZnO with coke is called smelting and reduction of ore to the molten metal is called smelting.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Electrolytic refining of copper

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Electrolytic Refining of Copper

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon