Miscellaneous Questions based on Metallurgy
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321064 Match the column I with column II and mark the appropriate choice.
supporting img
Column I
Column II

1 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - R,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - P}}\)
3 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - Q,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - P}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321065 Match items of Column I with the items of Column II and assign the correct code
Column I
Column II
A
Cyanide process
1
Ultra/ pure Ge
B
Froth floatation process
2
Dressing of ZnS
C
Electrolytic reduction
3
Extraction of Al
D
Zone refining
4
Extraction of Au
5
Purification of Ni

1 A-2,B-3,C-1,D-5
2 A-1,B-2,C-3,D-4
3 A-3,B-4,C-5,D-1
4 A-4,B-2,C-3,D-1
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321066 Match the column I with column II to match the method of extraction and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{\mathrm{Cu}}\)
P
\(\mathrm{\begin{array}{l}\text { Direct reduction of } \\\text { sulphide by heating }\end{array}}\)
B
\(\mathrm{\mathrm{Sn}}\)
Q
\(\mathrm{\begin{array}{l}\text { Electrolysis of fused } \\\text { chloride and fluoride }\end{array}}\)
C
\(\mathrm{\mathrm{Hg}}\)
R
\(\mathrm{\begin{array}{l}\text {Partial oxidation of } \\\text { sulphide ore }\end{array}}\)
D
\(\mathrm{\mathrm{Ca}}\)
P
\(\mathrm{\begin{array}{l}\text {Reduction of oxide} \\\text {with carbon }\end{array}}\)

1 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - S,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
3 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - R}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321067 Limestone is used as a flux in the extraction of

1 iron
2 aluminium
3 zinc
4 copper
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321068 Railway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as

1 tempering
2 annealing
3 sherardsing
4 case hardening
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321064 Match the column I with column II and mark the appropriate choice.
supporting img
Column I
Column II

1 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - R,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - P}}\)
3 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - Q,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - P}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321065 Match items of Column I with the items of Column II and assign the correct code
Column I
Column II
A
Cyanide process
1
Ultra/ pure Ge
B
Froth floatation process
2
Dressing of ZnS
C
Electrolytic reduction
3
Extraction of Al
D
Zone refining
4
Extraction of Au
5
Purification of Ni

1 A-2,B-3,C-1,D-5
2 A-1,B-2,C-3,D-4
3 A-3,B-4,C-5,D-1
4 A-4,B-2,C-3,D-1
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321066 Match the column I with column II to match the method of extraction and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{\mathrm{Cu}}\)
P
\(\mathrm{\begin{array}{l}\text { Direct reduction of } \\\text { sulphide by heating }\end{array}}\)
B
\(\mathrm{\mathrm{Sn}}\)
Q
\(\mathrm{\begin{array}{l}\text { Electrolysis of fused } \\\text { chloride and fluoride }\end{array}}\)
C
\(\mathrm{\mathrm{Hg}}\)
R
\(\mathrm{\begin{array}{l}\text {Partial oxidation of } \\\text { sulphide ore }\end{array}}\)
D
\(\mathrm{\mathrm{Ca}}\)
P
\(\mathrm{\begin{array}{l}\text {Reduction of oxide} \\\text {with carbon }\end{array}}\)

1 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - S,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
3 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - R}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321067 Limestone is used as a flux in the extraction of

1 iron
2 aluminium
3 zinc
4 copper
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321068 Railway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as

1 tempering
2 annealing
3 sherardsing
4 case hardening
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321064 Match the column I with column II and mark the appropriate choice.
supporting img
Column I
Column II

1 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - R,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - P}}\)
3 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - Q,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - P}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321065 Match items of Column I with the items of Column II and assign the correct code
Column I
Column II
A
Cyanide process
1
Ultra/ pure Ge
B
Froth floatation process
2
Dressing of ZnS
C
Electrolytic reduction
3
Extraction of Al
D
Zone refining
4
Extraction of Au
5
Purification of Ni

1 A-2,B-3,C-1,D-5
2 A-1,B-2,C-3,D-4
3 A-3,B-4,C-5,D-1
4 A-4,B-2,C-3,D-1
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321066 Match the column I with column II to match the method of extraction and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{\mathrm{Cu}}\)
P
\(\mathrm{\begin{array}{l}\text { Direct reduction of } \\\text { sulphide by heating }\end{array}}\)
B
\(\mathrm{\mathrm{Sn}}\)
Q
\(\mathrm{\begin{array}{l}\text { Electrolysis of fused } \\\text { chloride and fluoride }\end{array}}\)
C
\(\mathrm{\mathrm{Hg}}\)
R
\(\mathrm{\begin{array}{l}\text {Partial oxidation of } \\\text { sulphide ore }\end{array}}\)
D
\(\mathrm{\mathrm{Ca}}\)
P
\(\mathrm{\begin{array}{l}\text {Reduction of oxide} \\\text {with carbon }\end{array}}\)

1 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - S,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
3 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - R}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321067 Limestone is used as a flux in the extraction of

1 iron
2 aluminium
3 zinc
4 copper
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321068 Railway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as

1 tempering
2 annealing
3 sherardsing
4 case hardening
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321064 Match the column I with column II and mark the appropriate choice.
supporting img
Column I
Column II

1 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - R,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - P}}\)
3 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - Q,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - P}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321065 Match items of Column I with the items of Column II and assign the correct code
Column I
Column II
A
Cyanide process
1
Ultra/ pure Ge
B
Froth floatation process
2
Dressing of ZnS
C
Electrolytic reduction
3
Extraction of Al
D
Zone refining
4
Extraction of Au
5
Purification of Ni

1 A-2,B-3,C-1,D-5
2 A-1,B-2,C-3,D-4
3 A-3,B-4,C-5,D-1
4 A-4,B-2,C-3,D-1
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321066 Match the column I with column II to match the method of extraction and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{\mathrm{Cu}}\)
P
\(\mathrm{\begin{array}{l}\text { Direct reduction of } \\\text { sulphide by heating }\end{array}}\)
B
\(\mathrm{\mathrm{Sn}}\)
Q
\(\mathrm{\begin{array}{l}\text { Electrolysis of fused } \\\text { chloride and fluoride }\end{array}}\)
C
\(\mathrm{\mathrm{Hg}}\)
R
\(\mathrm{\begin{array}{l}\text {Partial oxidation of } \\\text { sulphide ore }\end{array}}\)
D
\(\mathrm{\mathrm{Ca}}\)
P
\(\mathrm{\begin{array}{l}\text {Reduction of oxide} \\\text {with carbon }\end{array}}\)

1 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - S,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
3 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - R}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321067 Limestone is used as a flux in the extraction of

1 iron
2 aluminium
3 zinc
4 copper
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321068 Railway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as

1 tempering
2 annealing
3 sherardsing
4 case hardening
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321064 Match the column I with column II and mark the appropriate choice.
supporting img
Column I
Column II

1 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - R,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - P}}\)
3 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - Q,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - P}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321065 Match items of Column I with the items of Column II and assign the correct code
Column I
Column II
A
Cyanide process
1
Ultra/ pure Ge
B
Froth floatation process
2
Dressing of ZnS
C
Electrolytic reduction
3
Extraction of Al
D
Zone refining
4
Extraction of Au
5
Purification of Ni

1 A-2,B-3,C-1,D-5
2 A-1,B-2,C-3,D-4
3 A-3,B-4,C-5,D-1
4 A-4,B-2,C-3,D-1
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321066 Match the column I with column II to match the method of extraction and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{\mathrm{Cu}}\)
P
\(\mathrm{\begin{array}{l}\text { Direct reduction of } \\\text { sulphide by heating }\end{array}}\)
B
\(\mathrm{\mathrm{Sn}}\)
Q
\(\mathrm{\begin{array}{l}\text { Electrolysis of fused } \\\text { chloride and fluoride }\end{array}}\)
C
\(\mathrm{\mathrm{Hg}}\)
R
\(\mathrm{\begin{array}{l}\text {Partial oxidation of } \\\text { sulphide ore }\end{array}}\)
D
\(\mathrm{\mathrm{Ca}}\)
P
\(\mathrm{\begin{array}{l}\text {Reduction of oxide} \\\text {with carbon }\end{array}}\)

1 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
2 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - S,}}\,\,\,\,\,\,{\text{C - P,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
3 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - R,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - S}}\)
4 \({\text{A - S,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - Q,}}\,\,\,\,\,\,\,{\text{D - R}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321067 Limestone is used as a flux in the extraction of

1 iron
2 aluminium
3 zinc
4 copper
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321068 Railway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as

1 tempering
2 annealing
3 sherardsing
4 case hardening