Reduction to the Metal
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321119 How many of the following metals are best extracted by electrolytic reduction method?
Fe,Cu,Pb,Na,K,Sn,Zn,Mg,Mn,Cr,Ca,Al

1 8
2 5
3 4
4 2
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321120 The most electropositive metals are isolated from their ores by

1 High temperature reduction with carbon
2 Self-reduction
3 Thermal decomposition
4 Electrolysis of fused ionic salts
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321121 Chemical reduction is not suitable for converting

1 Bauxite into aluminum
2 Cuprite into copper
3 Haematite into iron
4 Zinc oxide into zinc
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321119 How many of the following metals are best extracted by electrolytic reduction method?
Fe,Cu,Pb,Na,K,Sn,Zn,Mg,Mn,Cr,Ca,Al

1 8
2 5
3 4
4 2
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321120 The most electropositive metals are isolated from their ores by

1 High temperature reduction with carbon
2 Self-reduction
3 Thermal decomposition
4 Electrolysis of fused ionic salts
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321121 Chemical reduction is not suitable for converting

1 Bauxite into aluminum
2 Cuprite into copper
3 Haematite into iron
4 Zinc oxide into zinc
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321122 Which of the following metal can be extracted without using reducing agent?

1 Sn
2 Pb
3 Fe
4 Both (1) and (2)
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321119 How many of the following metals are best extracted by electrolytic reduction method?
Fe,Cu,Pb,Na,K,Sn,Zn,Mg,Mn,Cr,Ca,Al

1 8
2 5
3 4
4 2
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321120 The most electropositive metals are isolated from their ores by

1 High temperature reduction with carbon
2 Self-reduction
3 Thermal decomposition
4 Electrolysis of fused ionic salts
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321121 Chemical reduction is not suitable for converting

1 Bauxite into aluminum
2 Cuprite into copper
3 Haematite into iron
4 Zinc oxide into zinc
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321122 Which of the following metal can be extracted without using reducing agent?

1 Sn
2 Pb
3 Fe
4 Both (1) and (2)
Join With Us for More Updates
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321119 How many of the following metals are best extracted by electrolytic reduction method?
Fe,Cu,Pb,Na,K,Sn,Zn,Mg,Mn,Cr,Ca,Al

1 8
2 5
3 4
4 2
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321120 The most electropositive metals are isolated from their ores by

1 High temperature reduction with carbon
2 Self-reduction
3 Thermal decomposition
4 Electrolysis of fused ionic salts
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321121 Chemical reduction is not suitable for converting

1 Bauxite into aluminum
2 Cuprite into copper
3 Haematite into iron
4 Zinc oxide into zinc
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321122 Which of the following metal can be extracted without using reducing agent?

1 Sn
2 Pb
3 Fe
4 Both (1) and (2)
For More Updates join with Us