CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321099
Cinnabar is an ore of
1
2
3
4
Explanation:
Cinnabar (HgS) is an ore of Hg.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321100
Which among the following sets of elements is present in chalcopyrite?
1
2
3
4
Explanation:
In chalcopyrite sets of elements is present as Cu,Fe,S.It is a copper iron sulphide mineral that crystalises in the tetragonal system It has the chemical formula .It has abrassy to golden yellow colour and ahardness of 3.5 to 4 on the mohr scale.Its streak is diagnostic as green tinged black
MHTCET - 2020
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321101
Calamine is an ore of:
1 Zinc
2 Copper
3 Aluminium
4 Iron
Explanation:
Calamine.
JEE - 2015
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321102
The total number of atoms present in the chemical formula of wolframite is ____ .
1 6
2 2
3 4
4 5
Explanation:
The chemical formula of wolframite (Ferrous tungstate) is . Hence, total number of atoms is 6 and 4 O
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321099
Cinnabar is an ore of
1
2
3
4
Explanation:
Cinnabar (HgS) is an ore of Hg.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321100
Which among the following sets of elements is present in chalcopyrite?
1
2
3
4
Explanation:
In chalcopyrite sets of elements is present as Cu,Fe,S.It is a copper iron sulphide mineral that crystalises in the tetragonal system It has the chemical formula .It has abrassy to golden yellow colour and ahardness of 3.5 to 4 on the mohr scale.Its streak is diagnostic as green tinged black
MHTCET - 2020
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321101
Calamine is an ore of:
1 Zinc
2 Copper
3 Aluminium
4 Iron
Explanation:
Calamine.
JEE - 2015
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321102
The total number of atoms present in the chemical formula of wolframite is ____ .
1 6
2 2
3 4
4 5
Explanation:
The chemical formula of wolframite (Ferrous tungstate) is . Hence, total number of atoms is 6 and 4 O
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321099
Cinnabar is an ore of
1
2
3
4
Explanation:
Cinnabar (HgS) is an ore of Hg.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321100
Which among the following sets of elements is present in chalcopyrite?
1
2
3
4
Explanation:
In chalcopyrite sets of elements is present as Cu,Fe,S.It is a copper iron sulphide mineral that crystalises in the tetragonal system It has the chemical formula .It has abrassy to golden yellow colour and ahardness of 3.5 to 4 on the mohr scale.Its streak is diagnostic as green tinged black
MHTCET - 2020
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321101
Calamine is an ore of:
1 Zinc
2 Copper
3 Aluminium
4 Iron
Explanation:
Calamine.
JEE - 2015
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321102
The total number of atoms present in the chemical formula of wolframite is ____ .
1 6
2 2
3 4
4 5
Explanation:
The chemical formula of wolframite (Ferrous tungstate) is . Hence, total number of atoms is 6 and 4 O
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321099
Cinnabar is an ore of
1
2
3
4
Explanation:
Cinnabar (HgS) is an ore of Hg.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321100
Which among the following sets of elements is present in chalcopyrite?
1
2
3
4
Explanation:
In chalcopyrite sets of elements is present as Cu,Fe,S.It is a copper iron sulphide mineral that crystalises in the tetragonal system It has the chemical formula .It has abrassy to golden yellow colour and ahardness of 3.5 to 4 on the mohr scale.Its streak is diagnostic as green tinged black
MHTCET - 2020
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321101
Calamine is an ore of:
1 Zinc
2 Copper
3 Aluminium
4 Iron
Explanation:
Calamine.
JEE - 2015
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
321102
The total number of atoms present in the chemical formula of wolframite is ____ .
1 6
2 2
3 4
4 5
Explanation:
The chemical formula of wolframite (Ferrous tungstate) is . Hence, total number of atoms is 6 and 4 O