Isolation of El...

Only One Option Correct Type

Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correc

Q.

Poling process is used

In the electrolytic refining of zinc

The super pure silicon can be obtained by 

Purification of aluminium is called 

The processes used in the refining of aluminium and zinc metals respectively are

van Arkel method of purification of metals involves converting the metal to

The most electropositive metals are extracted from their ores by

Which method of purification is represented by the following equation?

Which of the following process is used in the extractive metallurgy of magnesium?

In the electrolytic refining of copper using CuSO₄ as electrolyte the anod reaction is 

Matching List Type

Direction (Q. No. 11 and 12) Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d), out of which one is correct.

Q. 

Match the Column I with Column II and mark the correct option from the codes given below.

Match the Column I with Column II and mark the correct option from the codes given below.

Statement Type

This section is based on Statement I and Statement II. Select the correct answer from the codes given below.

Q. 

Satement I : In electrorefining process cathode is made up of a pure strip of the same metal.

Statement II : Blister copper contains 50% impurities.