Concentration of Ores
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320970 Identify the process to which the following
reaction belongs:
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}} \cdot {\rm{2}}{{\rm{H}}_{\rm{2}}}{\rm{O + N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}} \to \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{2NaAl}}{{\rm{O}}_{\rm{2}}}{\rm{ + 2}}{{\rm{H}}_{\rm{2}}}{\rm{O + C}}{{\rm{O}}_{\rm{2}}}\)
\({\text{2NaAl}}{{\text{O}}_{\text{2}}}{\text{  +  2}}{{\text{H}}_{\text{2}}}{\text{O  +  C}}{{\text{O}}_{\text{2}}}\xrightarrow{{50 - {{60}^{\text{o}}}{\text{C}}}}\)
\({\text{A}}{{\text{l}}_{\text{2}}}{{\text{O}}_{\text{3}}} \cdot {\text{2}}{{\text{H}}_{\text{2}}}{\text{O + N}}{{\text{a}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\)

1 Hall's process
2 Baeyer's process
3 Serpeck's process
4 Cyanide process
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320971 Name the reagent that is used in leaching of gold.

1 Carbon
2 Sodium cyanide
3 Carbon monoxide
4 Iodine
MHTCET - 2016
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320972 In the equation; \(4{\rm{M}} + 8{\rm{C}}{{\rm{N}}^ - } + 2{{\rm{H}}_{\rm{2}}}{\rm{O}} + {{\rm{O}}_2} \to \)
\(4{\left[ {{\rm{M}}{{({\rm{CN}})}_2}} \right]^ - } + 4{\rm{O}}{{\rm{H}}^ - }\), identify the metal \({\rm{M}}\).

1 Copper
2 Iron
3 Gold
4 Zinc
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320973 Magnetic separation method is used for increasing concentration which of the following ore?

1 Horn silver
2 Calcite
3 Haematite
4 Magnesite
For More Updates join with Us
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320970 Identify the process to which the following
reaction belongs:
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}} \cdot {\rm{2}}{{\rm{H}}_{\rm{2}}}{\rm{O + N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}} \to \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{2NaAl}}{{\rm{O}}_{\rm{2}}}{\rm{ + 2}}{{\rm{H}}_{\rm{2}}}{\rm{O + C}}{{\rm{O}}_{\rm{2}}}\)
\({\text{2NaAl}}{{\text{O}}_{\text{2}}}{\text{  +  2}}{{\text{H}}_{\text{2}}}{\text{O  +  C}}{{\text{O}}_{\text{2}}}\xrightarrow{{50 - {{60}^{\text{o}}}{\text{C}}}}\)
\({\text{A}}{{\text{l}}_{\text{2}}}{{\text{O}}_{\text{3}}} \cdot {\text{2}}{{\text{H}}_{\text{2}}}{\text{O + N}}{{\text{a}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\)

1 Hall's process
2 Baeyer's process
3 Serpeck's process
4 Cyanide process
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320971 Name the reagent that is used in leaching of gold.

1 Carbon
2 Sodium cyanide
3 Carbon monoxide
4 Iodine
MHTCET - 2016
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320972 In the equation; \(4{\rm{M}} + 8{\rm{C}}{{\rm{N}}^ - } + 2{{\rm{H}}_{\rm{2}}}{\rm{O}} + {{\rm{O}}_2} \to \)
\(4{\left[ {{\rm{M}}{{({\rm{CN}})}_2}} \right]^ - } + 4{\rm{O}}{{\rm{H}}^ - }\), identify the metal \({\rm{M}}\).

1 Copper
2 Iron
3 Gold
4 Zinc
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320973 Magnetic separation method is used for increasing concentration which of the following ore?

1 Horn silver
2 Calcite
3 Haematite
4 Magnesite
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320970 Identify the process to which the following
reaction belongs:
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}} \cdot {\rm{2}}{{\rm{H}}_{\rm{2}}}{\rm{O + N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}} \to \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{2NaAl}}{{\rm{O}}_{\rm{2}}}{\rm{ + 2}}{{\rm{H}}_{\rm{2}}}{\rm{O + C}}{{\rm{O}}_{\rm{2}}}\)
\({\text{2NaAl}}{{\text{O}}_{\text{2}}}{\text{  +  2}}{{\text{H}}_{\text{2}}}{\text{O  +  C}}{{\text{O}}_{\text{2}}}\xrightarrow{{50 - {{60}^{\text{o}}}{\text{C}}}}\)
\({\text{A}}{{\text{l}}_{\text{2}}}{{\text{O}}_{\text{3}}} \cdot {\text{2}}{{\text{H}}_{\text{2}}}{\text{O + N}}{{\text{a}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\)

1 Hall's process
2 Baeyer's process
3 Serpeck's process
4 Cyanide process
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320971 Name the reagent that is used in leaching of gold.

1 Carbon
2 Sodium cyanide
3 Carbon monoxide
4 Iodine
MHTCET - 2016
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320972 In the equation; \(4{\rm{M}} + 8{\rm{C}}{{\rm{N}}^ - } + 2{{\rm{H}}_{\rm{2}}}{\rm{O}} + {{\rm{O}}_2} \to \)
\(4{\left[ {{\rm{M}}{{({\rm{CN}})}_2}} \right]^ - } + 4{\rm{O}}{{\rm{H}}^ - }\), identify the metal \({\rm{M}}\).

1 Copper
2 Iron
3 Gold
4 Zinc
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320973 Magnetic separation method is used for increasing concentration which of the following ore?

1 Horn silver
2 Calcite
3 Haematite
4 Magnesite
Join With Us for More Updates
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320970 Identify the process to which the following
reaction belongs:
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}} \cdot {\rm{2}}{{\rm{H}}_{\rm{2}}}{\rm{O + N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}} \to \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{2NaAl}}{{\rm{O}}_{\rm{2}}}{\rm{ + 2}}{{\rm{H}}_{\rm{2}}}{\rm{O + C}}{{\rm{O}}_{\rm{2}}}\)
\({\text{2NaAl}}{{\text{O}}_{\text{2}}}{\text{  +  2}}{{\text{H}}_{\text{2}}}{\text{O  +  C}}{{\text{O}}_{\text{2}}}\xrightarrow{{50 - {{60}^{\text{o}}}{\text{C}}}}\)
\({\text{A}}{{\text{l}}_{\text{2}}}{{\text{O}}_{\text{3}}} \cdot {\text{2}}{{\text{H}}_{\text{2}}}{\text{O + N}}{{\text{a}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\)

1 Hall's process
2 Baeyer's process
3 Serpeck's process
4 Cyanide process
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320971 Name the reagent that is used in leaching of gold.

1 Carbon
2 Sodium cyanide
3 Carbon monoxide
4 Iodine
MHTCET - 2016
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320972 In the equation; \(4{\rm{M}} + 8{\rm{C}}{{\rm{N}}^ - } + 2{{\rm{H}}_{\rm{2}}}{\rm{O}} + {{\rm{O}}_2} \to \)
\(4{\left[ {{\rm{M}}{{({\rm{CN}})}_2}} \right]^ - } + 4{\rm{O}}{{\rm{H}}^ - }\), identify the metal \({\rm{M}}\).

1 Copper
2 Iron
3 Gold
4 Zinc
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

320973 Magnetic separation method is used for increasing concentration which of the following ore?

1 Horn silver
2 Calcite
3 Haematite
4 Magnesite
For More Updates join with Us