06. GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
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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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25847 Corundum is an ore of

1 Copper
2 Boron
3 Aluminium
4 Sodium
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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25849 Which ore contains both iron and copper?

1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25850 Formula of Felspar is

1 \({K_2}O.A{l_2}{O_3}.6Si{O_2}\)
2 \({K_2}{O_3}.A{l_2}{O_3}.6S{i_2}.{O_2}.2{H_2}O\)
3 \(A{l_2}{O_3}.2Si{O_2}.2{H_2}O\)
4 \(3MgO.4Si{O_2}.{H_2}O\)
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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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25847 Corundum is an ore of

1 Copper
2 Boron
3 Aluminium
4 Sodium
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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25849 Which ore contains both iron and copper?

1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25850 Formula of Felspar is

1 \({K_2}O.A{l_2}{O_3}.6Si{O_2}\)
2 \({K_2}{O_3}.A{l_2}{O_3}.6S{i_2}.{O_2}.2{H_2}O\)
3 \(A{l_2}{O_3}.2Si{O_2}.2{H_2}O\)
4 \(3MgO.4Si{O_2}.{H_2}O\)
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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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25847 Corundum is an ore of

1 Copper
2 Boron
3 Aluminium
4 Sodium
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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25849 Which ore contains both iron and copper?

1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25850 Formula of Felspar is

1 \({K_2}O.A{l_2}{O_3}.6Si{O_2}\)
2 \({K_2}{O_3}.A{l_2}{O_3}.6S{i_2}.{O_2}.2{H_2}O\)
3 \(A{l_2}{O_3}.2Si{O_2}.2{H_2}O\)
4 \(3MgO.4Si{O_2}.{H_2}O\)
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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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25847 Corundum is an ore of

1 Copper
2 Boron
3 Aluminium
4 Sodium
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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25849 Which ore contains both iron and copper?

1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25850 Formula of Felspar is

1 \({K_2}O.A{l_2}{O_3}.6Si{O_2}\)
2 \({K_2}{O_3}.A{l_2}{O_3}.6S{i_2}.{O_2}.2{H_2}O\)
3 \(A{l_2}{O_3}.2Si{O_2}.2{H_2}O\)
4 \(3MgO.4Si{O_2}.{H_2}O\)
NEET DIGITAL LIBRARY
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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25847 Corundum is an ore of

1 Copper
2 Boron
3 Aluminium
4 Sodium
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
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25849 Which ore contains both iron and copper?

1 Cuprite
2 Chalcocite
3 Chalcopyrite
4 Malachite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25850 Formula of Felspar is

1 \({K_2}O.A{l_2}{O_3}.6Si{O_2}\)
2 \({K_2}{O_3}.A{l_2}{O_3}.6S{i_2}.{O_2}.2{H_2}O\)
3 \(A{l_2}{O_3}.2Si{O_2}.2{H_2}O\)
4 \(3MgO.4Si{O_2}.{H_2}O\)