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 correct.

Q. 

Which one of the following is the major impurity in pig iron?

In smelting the furnace most suitable is

Silver from argentiferous lead is obtained by

Which of the following has lowest carbon content?

During the process of electrolytic refining of copper, some metals present as impurity settle as anode mud. These are

2CuCO₃ . Cu(OH)₂ is the formula of

The temperature of the slag zone in the metallurgy of iron using blast furnace is

The Puddler’s candles are produced due to the burning of

In the extraction of copper, the metal formed in the Bessemers convertor is due to the reaction

Native silver metal forms a water soluble complex with a dilute aqueous solution of NaCN in the presence of

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 code.

Match the Column I with Column II and mark the correct option code.

Statement Type

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

Q. 

Statement I : Silver is obtained from its cyanide complex during leaching.

Statement II : Copper can be extracted by poling process when it contain Cu₂O as impurities.