GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25846
All ores are minerals, while all minerals are not ores because
1 The metal can’t be extracted economically from all the minerals
2 Minerals are complex compounds
3 The minerals are obtained from mines
4 All of these are correct
Explanation:
All ores are minerals, while all minerals are not ores because the metal can't be extracted economically from all the minerals.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25847
Corundum is an ore of
1 Copper
2 Boron
3 Aluminium
4 Sodium
Explanation:
Corundum \((A{l_2}{O_3})\)is an ore of\(Al\) .
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25848
Which one of the following is correct
1 A mineral cannot be an ore
2 An ore cannot be a mineral
3 All minerals are ores
4 All ores are minerals
Explanation:
All minerals are not suitable for the extraction of metals commercially. Thus all ores are minerals, but all minerals are not ores.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25849
Which ore contains both iron and copper?
1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
Explanation:
among cuprite \(Cu_2O\) , Charlcacite \(Cu_2S\) , Chalcopyrite \(Cu_2S\) Malachite \([Cu{\left( {OH} \right)_2}.CuC{O_3}]\) only chalcopyrite is an ore which contains both \(Fe\) and \(Cu\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25846
All ores are minerals, while all minerals are not ores because
1 The metal can’t be extracted economically from all the minerals
2 Minerals are complex compounds
3 The minerals are obtained from mines
4 All of these are correct
Explanation:
All ores are minerals, while all minerals are not ores because the metal can't be extracted economically from all the minerals.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25847
Corundum is an ore of
1 Copper
2 Boron
3 Aluminium
4 Sodium
Explanation:
Corundum \((A{l_2}{O_3})\)is an ore of\(Al\) .
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25848
Which one of the following is correct
1 A mineral cannot be an ore
2 An ore cannot be a mineral
3 All minerals are ores
4 All ores are minerals
Explanation:
All minerals are not suitable for the extraction of metals commercially. Thus all ores are minerals, but all minerals are not ores.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25849
Which ore contains both iron and copper?
1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
Explanation:
among cuprite \(Cu_2O\) , Charlcacite \(Cu_2S\) , Chalcopyrite \(Cu_2S\) Malachite \([Cu{\left( {OH} \right)_2}.CuC{O_3}]\) only chalcopyrite is an ore which contains both \(Fe\) and \(Cu\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25846
All ores are minerals, while all minerals are not ores because
1 The metal can’t be extracted economically from all the minerals
2 Minerals are complex compounds
3 The minerals are obtained from mines
4 All of these are correct
Explanation:
All ores are minerals, while all minerals are not ores because the metal can't be extracted economically from all the minerals.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25847
Corundum is an ore of
1 Copper
2 Boron
3 Aluminium
4 Sodium
Explanation:
Corundum \((A{l_2}{O_3})\)is an ore of\(Al\) .
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25848
Which one of the following is correct
1 A mineral cannot be an ore
2 An ore cannot be a mineral
3 All minerals are ores
4 All ores are minerals
Explanation:
All minerals are not suitable for the extraction of metals commercially. Thus all ores are minerals, but all minerals are not ores.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25849
Which ore contains both iron and copper?
1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
Explanation:
among cuprite \(Cu_2O\) , Charlcacite \(Cu_2S\) , Chalcopyrite \(Cu_2S\) Malachite \([Cu{\left( {OH} \right)_2}.CuC{O_3}]\) only chalcopyrite is an ore which contains both \(Fe\) and \(Cu\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25846
All ores are minerals, while all minerals are not ores because
1 The metal can’t be extracted economically from all the minerals
2 Minerals are complex compounds
3 The minerals are obtained from mines
4 All of these are correct
Explanation:
All ores are minerals, while all minerals are not ores because the metal can't be extracted economically from all the minerals.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25847
Corundum is an ore of
1 Copper
2 Boron
3 Aluminium
4 Sodium
Explanation:
Corundum \((A{l_2}{O_3})\)is an ore of\(Al\) .
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25848
Which one of the following is correct
1 A mineral cannot be an ore
2 An ore cannot be a mineral
3 All minerals are ores
4 All ores are minerals
Explanation:
All minerals are not suitable for the extraction of metals commercially. Thus all ores are minerals, but all minerals are not ores.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25849
Which ore contains both iron and copper?
1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
Explanation:
among cuprite \(Cu_2O\) , Charlcacite \(Cu_2S\) , Chalcopyrite \(Cu_2S\) Malachite \([Cu{\left( {OH} \right)_2}.CuC{O_3}]\) only chalcopyrite is an ore which contains both \(Fe\) and \(Cu\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25846
All ores are minerals, while all minerals are not ores because
1 The metal can’t be extracted economically from all the minerals
2 Minerals are complex compounds
3 The minerals are obtained from mines
4 All of these are correct
Explanation:
All ores are minerals, while all minerals are not ores because the metal can't be extracted economically from all the minerals.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25847
Corundum is an ore of
1 Copper
2 Boron
3 Aluminium
4 Sodium
Explanation:
Corundum \((A{l_2}{O_3})\)is an ore of\(Al\) .
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25848
Which one of the following is correct
1 A mineral cannot be an ore
2 An ore cannot be a mineral
3 All minerals are ores
4 All ores are minerals
Explanation:
All minerals are not suitable for the extraction of metals commercially. Thus all ores are minerals, but all minerals are not ores.
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
25849
Which ore contains both iron and copper?
1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
Explanation:
among cuprite \(Cu_2O\) , Charlcacite \(Cu_2S\) , Chalcopyrite \(Cu_2S\) Malachite \([Cu{\left( {OH} \right)_2}.CuC{O_3}]\) only chalcopyrite is an ore which contains both \(Fe\) and \(Cu\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS
