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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321091 The formula of malachite ore is

1 \(\mathrm{Fe}_{3} \mathrm{O}_{4}\)
2 \(\mathrm{Mn}_{3} \mathrm{O}_{4}\)
3 \({\rm{NiAs}}\)
4 \(\mathrm{Cu}(\mathrm{OH})_{2} \cdot \mathrm{CuCO}_{3}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321092 Which of the following is not correctly matched?

1 Chalcopyrites \(\mathrm{\rightarrow \mathrm{CuFeS}_{2}}\)
2 Calamine \(\mathrm{\rightarrow \mathrm{ZnCO}_{3}}\)
3 Magnetite \(\mathrm{\rightarrow \mathrm{Fe}_{3} \mathrm{O}_{4}}\)
4 Argentite \(\mathrm{\rightarrow \mathrm{Na}_{3} \mathrm{AlF}_{6}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321093 Match the ores given in column I with their chemical formula given in column II and mark the correct option.
Column I
Column II
A
\({\text{ Bauxite}}\)
P
\(\mathrm{\mathrm{Al}_{2} \mathrm{O}_{3} \cdot \mathrm{XH}_{2} \mathrm{O}}\)
B
\({\text{Haematite}}\)
Q
\(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\)
C
\({\text{Magnetite}}\)
R
\(\mathrm{\mathrm{Fe}_{3} \mathrm{O}_{4}}\)
D
\({\text{Malachite}}\)
S
\(\mathrm{\mathrm{CuCO}_{3} \cdot \mathrm{Cu}(\mathrm{OH})_{2}}\)

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 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
4 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - R}}\)
JEE - 2021
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321094 Assertion :
Calamine and Dolomite are the carbonate ores.
Reason :
Calamine is \(\mathrm{\mathrm{ZnCO}_{3}}\) whereas Dolomite is \(\mathrm{\mathrm{MgCO}_{3} \mathrm{ZnCO}_{3}}\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321091 The formula of malachite ore is

1 \(\mathrm{Fe}_{3} \mathrm{O}_{4}\)
2 \(\mathrm{Mn}_{3} \mathrm{O}_{4}\)
3 \({\rm{NiAs}}\)
4 \(\mathrm{Cu}(\mathrm{OH})_{2} \cdot \mathrm{CuCO}_{3}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321092 Which of the following is not correctly matched?

1 Chalcopyrites \(\mathrm{\rightarrow \mathrm{CuFeS}_{2}}\)
2 Calamine \(\mathrm{\rightarrow \mathrm{ZnCO}_{3}}\)
3 Magnetite \(\mathrm{\rightarrow \mathrm{Fe}_{3} \mathrm{O}_{4}}\)
4 Argentite \(\mathrm{\rightarrow \mathrm{Na}_{3} \mathrm{AlF}_{6}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321093 Match the ores given in column I with their chemical formula given in column II and mark the correct option.
Column I
Column II
A
\({\text{ Bauxite}}\)
P
\(\mathrm{\mathrm{Al}_{2} \mathrm{O}_{3} \cdot \mathrm{XH}_{2} \mathrm{O}}\)
B
\({\text{Haematite}}\)
Q
\(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\)
C
\({\text{Magnetite}}\)
R
\(\mathrm{\mathrm{Fe}_{3} \mathrm{O}_{4}}\)
D
\({\text{Malachite}}\)
S
\(\mathrm{\mathrm{CuCO}_{3} \cdot \mathrm{Cu}(\mathrm{OH})_{2}}\)

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 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
4 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - R}}\)
JEE - 2021
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321094 Assertion :
Calamine and Dolomite are the carbonate ores.
Reason :
Calamine is \(\mathrm{\mathrm{ZnCO}_{3}}\) whereas Dolomite is \(\mathrm{\mathrm{MgCO}_{3} \mathrm{ZnCO}_{3}}\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321091 The formula of malachite ore is

1 \(\mathrm{Fe}_{3} \mathrm{O}_{4}\)
2 \(\mathrm{Mn}_{3} \mathrm{O}_{4}\)
3 \({\rm{NiAs}}\)
4 \(\mathrm{Cu}(\mathrm{OH})_{2} \cdot \mathrm{CuCO}_{3}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321092 Which of the following is not correctly matched?

1 Chalcopyrites \(\mathrm{\rightarrow \mathrm{CuFeS}_{2}}\)
2 Calamine \(\mathrm{\rightarrow \mathrm{ZnCO}_{3}}\)
3 Magnetite \(\mathrm{\rightarrow \mathrm{Fe}_{3} \mathrm{O}_{4}}\)
4 Argentite \(\mathrm{\rightarrow \mathrm{Na}_{3} \mathrm{AlF}_{6}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321093 Match the ores given in column I with their chemical formula given in column II and mark the correct option.
Column I
Column II
A
\({\text{ Bauxite}}\)
P
\(\mathrm{\mathrm{Al}_{2} \mathrm{O}_{3} \cdot \mathrm{XH}_{2} \mathrm{O}}\)
B
\({\text{Haematite}}\)
Q
\(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\)
C
\({\text{Magnetite}}\)
R
\(\mathrm{\mathrm{Fe}_{3} \mathrm{O}_{4}}\)
D
\({\text{Malachite}}\)
S
\(\mathrm{\mathrm{CuCO}_{3} \cdot \mathrm{Cu}(\mathrm{OH})_{2}}\)

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 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
4 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - R}}\)
JEE - 2021
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321094 Assertion :
Calamine and Dolomite are the carbonate ores.
Reason :
Calamine is \(\mathrm{\mathrm{ZnCO}_{3}}\) whereas Dolomite is \(\mathrm{\mathrm{MgCO}_{3} \mathrm{ZnCO}_{3}}\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321091 The formula of malachite ore is

1 \(\mathrm{Fe}_{3} \mathrm{O}_{4}\)
2 \(\mathrm{Mn}_{3} \mathrm{O}_{4}\)
3 \({\rm{NiAs}}\)
4 \(\mathrm{Cu}(\mathrm{OH})_{2} \cdot \mathrm{CuCO}_{3}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321092 Which of the following is not correctly matched?

1 Chalcopyrites \(\mathrm{\rightarrow \mathrm{CuFeS}_{2}}\)
2 Calamine \(\mathrm{\rightarrow \mathrm{ZnCO}_{3}}\)
3 Magnetite \(\mathrm{\rightarrow \mathrm{Fe}_{3} \mathrm{O}_{4}}\)
4 Argentite \(\mathrm{\rightarrow \mathrm{Na}_{3} \mathrm{AlF}_{6}}\)
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321093 Match the ores given in column I with their chemical formula given in column II and mark the correct option.
Column I
Column II
A
\({\text{ Bauxite}}\)
P
\(\mathrm{\mathrm{Al}_{2} \mathrm{O}_{3} \cdot \mathrm{XH}_{2} \mathrm{O}}\)
B
\({\text{Haematite}}\)
Q
\(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\)
C
\({\text{Magnetite}}\)
R
\(\mathrm{\mathrm{Fe}_{3} \mathrm{O}_{4}}\)
D
\({\text{Malachite}}\)
S
\(\mathrm{\mathrm{CuCO}_{3} \cdot \mathrm{Cu}(\mathrm{OH})_{2}}\)

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 \({\text{A - R,}}\,\,\,\,\,\,{\text{B - P,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - Q}}\)
4 \({\text{A - P,}}\,\,\,\,\,\,{\text{B - Q,}}\,\,\,\,\,\,{\text{C - S,}}\,\,\,\,\,\,\,{\text{D - R}}\)
JEE - 2021
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321094 Assertion :
Calamine and Dolomite are the carbonate ores.
Reason :
Calamine is \(\mathrm{\mathrm{ZnCO}_{3}}\) whereas Dolomite is \(\mathrm{\mathrm{MgCO}_{3} \mathrm{ZnCO}_{3}}\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.