Refining Methods
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321150 The mixture of componds A and B is passed through a coloumn of \(\rm{{\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}}\) by using alcohol as eluant. Compound A is eluted in preference to compound B. Which of the compounds A or B, is more readily adsorbed on the coloumn?

1 Only A
2 Only B
3 Both A and B
4 Not predictable
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321151 During the distillation of zinc spelter containing \(\mathrm{\mathrm{Cd}, \mathrm{Pb}}\) and \(\mathrm{\mathrm{Fe}}\) impurities, the impurity which gets distilled first is

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Cd}}\)
3 \(\mathrm{\mathrm{Fe}}\)
4 \(\mathrm{\mathrm{Pb}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321152 Which of the following metal is purified by distillation process?

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Fe}}\)
3 \(\mathrm{\mathrm{Al}}\)
4 \(\mathrm{\mathrm{Cu}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321153 Statement A :
Distillation is very useful for low boiling metals like \(\mathrm{\mathrm{Zn}}\) and \(\mathrm{\mathrm{Hg}}\).
Statement B :
In liquation, a low melting metal like tin can be made to flow on a sloping surface in order to separate it from higher melting impurities.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321154 In the electrolytic refining of \(\mathrm{\mathrm{Cu}}\), the cathode, anode and the electrolyte are

1 Impure \(\mathrm{\mathrm{Cu}}\)-cathode; pure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
2 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
3 Impure \(\mathrm{\mathrm{Cu}}\)-cathode, pure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}-}\) electrolyte
4 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}}\) - electrolyte
NEET DIGITAL LIBRARY
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321150 The mixture of componds A and B is passed through a coloumn of \(\rm{{\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}}\) by using alcohol as eluant. Compound A is eluted in preference to compound B. Which of the compounds A or B, is more readily adsorbed on the coloumn?

1 Only A
2 Only B
3 Both A and B
4 Not predictable
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321151 During the distillation of zinc spelter containing \(\mathrm{\mathrm{Cd}, \mathrm{Pb}}\) and \(\mathrm{\mathrm{Fe}}\) impurities, the impurity which gets distilled first is

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Cd}}\)
3 \(\mathrm{\mathrm{Fe}}\)
4 \(\mathrm{\mathrm{Pb}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321152 Which of the following metal is purified by distillation process?

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Fe}}\)
3 \(\mathrm{\mathrm{Al}}\)
4 \(\mathrm{\mathrm{Cu}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321153 Statement A :
Distillation is very useful for low boiling metals like \(\mathrm{\mathrm{Zn}}\) and \(\mathrm{\mathrm{Hg}}\).
Statement B :
In liquation, a low melting metal like tin can be made to flow on a sloping surface in order to separate it from higher melting impurities.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321154 In the electrolytic refining of \(\mathrm{\mathrm{Cu}}\), the cathode, anode and the electrolyte are

1 Impure \(\mathrm{\mathrm{Cu}}\)-cathode; pure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
2 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
3 Impure \(\mathrm{\mathrm{Cu}}\)-cathode, pure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}-}\) electrolyte
4 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}}\) - electrolyte
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321150 The mixture of componds A and B is passed through a coloumn of \(\rm{{\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}}\) by using alcohol as eluant. Compound A is eluted in preference to compound B. Which of the compounds A or B, is more readily adsorbed on the coloumn?

1 Only A
2 Only B
3 Both A and B
4 Not predictable
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321151 During the distillation of zinc spelter containing \(\mathrm{\mathrm{Cd}, \mathrm{Pb}}\) and \(\mathrm{\mathrm{Fe}}\) impurities, the impurity which gets distilled first is

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Cd}}\)
3 \(\mathrm{\mathrm{Fe}}\)
4 \(\mathrm{\mathrm{Pb}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321152 Which of the following metal is purified by distillation process?

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Fe}}\)
3 \(\mathrm{\mathrm{Al}}\)
4 \(\mathrm{\mathrm{Cu}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321153 Statement A :
Distillation is very useful for low boiling metals like \(\mathrm{\mathrm{Zn}}\) and \(\mathrm{\mathrm{Hg}}\).
Statement B :
In liquation, a low melting metal like tin can be made to flow on a sloping surface in order to separate it from higher melting impurities.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321154 In the electrolytic refining of \(\mathrm{\mathrm{Cu}}\), the cathode, anode and the electrolyte are

1 Impure \(\mathrm{\mathrm{Cu}}\)-cathode; pure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
2 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
3 Impure \(\mathrm{\mathrm{Cu}}\)-cathode, pure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}-}\) electrolyte
4 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}}\) - electrolyte
For More Updates join with Us
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321150 The mixture of componds A and B is passed through a coloumn of \(\rm{{\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}}\) by using alcohol as eluant. Compound A is eluted in preference to compound B. Which of the compounds A or B, is more readily adsorbed on the coloumn?

1 Only A
2 Only B
3 Both A and B
4 Not predictable
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321151 During the distillation of zinc spelter containing \(\mathrm{\mathrm{Cd}, \mathrm{Pb}}\) and \(\mathrm{\mathrm{Fe}}\) impurities, the impurity which gets distilled first is

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Cd}}\)
3 \(\mathrm{\mathrm{Fe}}\)
4 \(\mathrm{\mathrm{Pb}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321152 Which of the following metal is purified by distillation process?

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Fe}}\)
3 \(\mathrm{\mathrm{Al}}\)
4 \(\mathrm{\mathrm{Cu}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321153 Statement A :
Distillation is very useful for low boiling metals like \(\mathrm{\mathrm{Zn}}\) and \(\mathrm{\mathrm{Hg}}\).
Statement B :
In liquation, a low melting metal like tin can be made to flow on a sloping surface in order to separate it from higher melting impurities.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321154 In the electrolytic refining of \(\mathrm{\mathrm{Cu}}\), the cathode, anode and the electrolyte are

1 Impure \(\mathrm{\mathrm{Cu}}\)-cathode; pure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
2 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
3 Impure \(\mathrm{\mathrm{Cu}}\)-cathode, pure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}-}\) electrolyte
4 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}}\) - electrolyte
NEET DIGITAL LIBRARY
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321150 The mixture of componds A and B is passed through a coloumn of \(\rm{{\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}}\) by using alcohol as eluant. Compound A is eluted in preference to compound B. Which of the compounds A or B, is more readily adsorbed on the coloumn?

1 Only A
2 Only B
3 Both A and B
4 Not predictable
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321151 During the distillation of zinc spelter containing \(\mathrm{\mathrm{Cd}, \mathrm{Pb}}\) and \(\mathrm{\mathrm{Fe}}\) impurities, the impurity which gets distilled first is

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Cd}}\)
3 \(\mathrm{\mathrm{Fe}}\)
4 \(\mathrm{\mathrm{Pb}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321152 Which of the following metal is purified by distillation process?

1 \(\mathrm{\mathrm{Zn}}\)
2 \(\mathrm{\mathrm{Fe}}\)
3 \(\mathrm{\mathrm{Al}}\)
4 \(\mathrm{\mathrm{Cu}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321153 Statement A :
Distillation is very useful for low boiling metals like \(\mathrm{\mathrm{Zn}}\) and \(\mathrm{\mathrm{Hg}}\).
Statement B :
In liquation, a low melting metal like tin can be made to flow on a sloping surface in order to separate it from higher melting impurities.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321154 In the electrolytic refining of \(\mathrm{\mathrm{Cu}}\), the cathode, anode and the electrolyte are

1 Impure \(\mathrm{\mathrm{Cu}}\)-cathode; pure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
2 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, acidified \(\mathrm{\mathrm{CuSO}_{4}}\) solution electrolyte
3 Impure \(\mathrm{\mathrm{Cu}}\)-cathode, pure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}-}\) electrolyte
4 Pure \(\mathrm{\mathrm{Cu}}\)-cathode, impure \(\mathrm{\mathrm{Cu}}\)-anode, \(\mathrm{\mathrm{CuCl}_{2}}\) - electrolyte