Chemical formula of rust is ______

MCQ

Fill in the Blanks

The chemical formula of rust is Fe₂O₃.xH₂O.

shaalaa.com

Is there an error in this question or solution?

Chapter 8: Periodic Classification of Elements - Evaluation [Page 121]

Chapter 8 Periodic Classification of Elements
Evaluation | Q I. 5. | Page 121

Name:
(a) the processes involved in
concentration :-

`2AgNO_3` ...........................

`2Cu_2O +Cu_2S` ......................

state the reactions at the two electrodes ?

Explain the hydraulic separation method with a neat labelled diagram.

Identify the following method of concentration of ores and explain briefly.

Observe the figure and name and explain in brief the following method:

State the reason for the addition of caustic alkali to bauxite ore during the purification of bauxite.

Zirconium is refined by ____________.

Calcination is used in metallurgy for the removal of?