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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321082 Azurite is an ore of

1

Ag

2

Cu

3

Pt

4

Au

Explanation:

Azurite : $Cu (OH)_{2} \cdot 2 {CuCO}_{3}$ .

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321083 Green coloured ore among the following is

1

{Cu}_{2} O

2

{CuFeS}_{2}

3

{CuCO}_{3} \cdot Cu (OH)_{2}

4

2CuC O_{3} .Cu(OH)_{2}

Explanation:

${CuCO}_{3} \cdot Cu (OH)_{2}$ is a green coloured compound.

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321084 Metal which can be extracted from all three dolomite, magnesite and carnallite is

1

Na

2

K

3

Mg

4

Ca

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321085 Match Column -I (Ores) with Column - II (Composition)
Choose the most appropriate answer from the options given below
Column I
Column II
A
$Sphalerite$
P
$FeC O_{3}$
B
$Calamine$
Q
$PbS$
C
$Galena$
R
$ZnC O_{3}$
D
$Siderite$
S
$ZnS$

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - Q, D - R

3

A - Q, B - R, C - P, D - S

4

A - R, B - S, C - Q, D - P

Explanation:

$L i s t - I L i s t - I$
$A S p h a l e r i t e S Z n S$
$B C a l a m i n e R Z n C O_{3}$
$C G a l e n a Q P b S$
$D S i d e r i t e P F e C O_{3}$

JEE - 2022

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321082 Azurite is an ore of

1

Ag

2

Cu

3

Pt

4

Au

Explanation:

Azurite : $Cu (OH)_{2} \cdot 2 {CuCO}_{3}$ .

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321083 Green coloured ore among the following is

1

{Cu}_{2} O

2

{CuFeS}_{2}

3

{CuCO}_{3} \cdot Cu (OH)_{2}

4

2CuC O_{3} .Cu(OH)_{2}

Explanation:

${CuCO}_{3} \cdot Cu (OH)_{2}$ is a green coloured compound.

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321084 Metal which can be extracted from all three dolomite, magnesite and carnallite is

1

Na

2

K

3

Mg

4

Ca

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321085 Match Column -I (Ores) with Column - II (Composition)
Choose the most appropriate answer from the options given below
Column I
Column II
A
$Sphalerite$
P
$FeC O_{3}$
B
$Calamine$
Q
$PbS$
C
$Galena$
R
$ZnC O_{3}$
D
$Siderite$
S
$ZnS$

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - Q, D - R

3

A - Q, B - R, C - P, D - S

4

A - R, B - S, C - Q, D - P

Explanation:

$L i s t - I L i s t - I$
$A S p h a l e r i t e S Z n S$
$B C a l a m i n e R Z n C O_{3}$
$C G a l e n a Q P b S$
$D S i d e r i t e P F e C O_{3}$

JEE - 2022

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321082 Azurite is an ore of

1

Ag

2

Cu

3

Pt

4

Au

Explanation:

Azurite : $Cu (OH)_{2} \cdot 2 {CuCO}_{3}$ .

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321083 Green coloured ore among the following is

1

{Cu}_{2} O

2

{CuFeS}_{2}

3

{CuCO}_{3} \cdot Cu (OH)_{2}

4

2CuC O_{3} .Cu(OH)_{2}

Explanation:

${CuCO}_{3} \cdot Cu (OH)_{2}$ is a green coloured compound.

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321084 Metal which can be extracted from all three dolomite, magnesite and carnallite is

1

Na

2

K

3

Mg

4

Ca

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321085 Match Column -I (Ores) with Column - II (Composition)
Choose the most appropriate answer from the options given below
Column I
Column II
A
$Sphalerite$
P
$FeC O_{3}$
B
$Calamine$
Q
$PbS$
C
$Galena$
R
$ZnC O_{3}$
D
$Siderite$
S
$ZnS$

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - Q, D - R

3

A - Q, B - R, C - P, D - S

4

A - R, B - S, C - Q, D - P

Explanation:

$L i s t - I L i s t - I$
$A S p h a l e r i t e S Z n S$
$B C a l a m i n e R Z n C O_{3}$
$C G a l e n a Q P b S$
$D S i d e r i t e P F e C O_{3}$

JEE - 2022

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321082 Azurite is an ore of

1

Ag

2

Cu

3

Pt

4

Au

Explanation:

Azurite : $Cu (OH)_{2} \cdot 2 {CuCO}_{3}$ .

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321083 Green coloured ore among the following is

1

{Cu}_{2} O

2

{CuFeS}_{2}

3

{CuCO}_{3} \cdot Cu (OH)_{2}

4

2CuC O_{3} .Cu(OH)_{2}

Explanation:

${CuCO}_{3} \cdot Cu (OH)_{2}$ is a green coloured compound.

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321084 Metal which can be extracted from all three dolomite, magnesite and carnallite is

1

Na

2

K

3

Mg

4

Ca

CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321085 Match Column -I (Ores) with Column - II (Composition)
Choose the most appropriate answer from the options given below
Column I
Column II
A
$Sphalerite$
P
$FeC O_{3}$
B
$Calamine$
Q
$PbS$
C
$Galena$
R
$ZnC O_{3}$
D
$Siderite$
S
$ZnS$

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - Q, D - R

3

A - Q, B - R, C - P, D - S

4

A - R, B - S, C - Q, D - P

Explanation:

$L i s t - I L i s t - I$
$A S p h a l e r i t e S Z n S$
$B C a l a m i n e R Z n C O_{3}$
$C G a l e n a Q P b S$
$D S i d e r i t e P F e C O_{3}$

JEE - 2022