Occurrence or Abundance
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321073 The most abundant element in earth's crust is

1 Hydrogen
2 Oxygen
3 Silicon
4 Carbon
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321074 Which of the following is not an ore?

1 Bauxite
2 Calamine
3 Bronze
4 Cerussite
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321075 I:Minerals are naturally occurring chemical substances in the earth's crust obtainable by mining.
II : Out of many minerals, only a few are viable to be used as sources of that metal. These are called ores.
Which of these statement(s) is/are true ?

1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321076 A mineral is called an ore if

1 A metal can be economically obtained from it
2 A metal can be extracted from it
3 A metal cannot be obtained from it
4 It contains a precious metal
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321077 The rocky and siliceous matter associated with an ore is called

1 Slag
2 Mineral
3 Gangue
4 Flux
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321073 The most abundant element in earth's crust is

1 Hydrogen
2 Oxygen
3 Silicon
4 Carbon
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321074 Which of the following is not an ore?

1 Bauxite
2 Calamine
3 Bronze
4 Cerussite
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321075 I:Minerals are naturally occurring chemical substances in the earth's crust obtainable by mining.
II : Out of many minerals, only a few are viable to be used as sources of that metal. These are called ores.
Which of these statement(s) is/are true ?

1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321076 A mineral is called an ore if

1 A metal can be economically obtained from it
2 A metal can be extracted from it
3 A metal cannot be obtained from it
4 It contains a precious metal
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321077 The rocky and siliceous matter associated with an ore is called

1 Slag
2 Mineral
3 Gangue
4 Flux
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321073 The most abundant element in earth's crust is

1 Hydrogen
2 Oxygen
3 Silicon
4 Carbon
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321074 Which of the following is not an ore?

1 Bauxite
2 Calamine
3 Bronze
4 Cerussite
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321075 I:Minerals are naturally occurring chemical substances in the earth's crust obtainable by mining.
II : Out of many minerals, only a few are viable to be used as sources of that metal. These are called ores.
Which of these statement(s) is/are true ?

1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321076 A mineral is called an ore if

1 A metal can be economically obtained from it
2 A metal can be extracted from it
3 A metal cannot be obtained from it
4 It contains a precious metal
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321077 The rocky and siliceous matter associated with an ore is called

1 Slag
2 Mineral
3 Gangue
4 Flux
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321073 The most abundant element in earth's crust is

1 Hydrogen
2 Oxygen
3 Silicon
4 Carbon
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321074 Which of the following is not an ore?

1 Bauxite
2 Calamine
3 Bronze
4 Cerussite
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321075 I:Minerals are naturally occurring chemical substances in the earth's crust obtainable by mining.
II : Out of many minerals, only a few are viable to be used as sources of that metal. These are called ores.
Which of these statement(s) is/are true ?

1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321076 A mineral is called an ore if

1 A metal can be economically obtained from it
2 A metal can be extracted from it
3 A metal cannot be obtained from it
4 It contains a precious metal
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321077 The rocky and siliceous matter associated with an ore is called

1 Slag
2 Mineral
3 Gangue
4 Flux
NEET DIGITAL LIBRARY
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321073 The most abundant element in earth's crust is

1 Hydrogen
2 Oxygen
3 Silicon
4 Carbon
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321074 Which of the following is not an ore?

1 Bauxite
2 Calamine
3 Bronze
4 Cerussite
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321075 I:Minerals are naturally occurring chemical substances in the earth's crust obtainable by mining.
II : Out of many minerals, only a few are viable to be used as sources of that metal. These are called ores.
Which of these statement(s) is/are true ?

1 Only I
2 Only II
3 Both I and II
4 Neither I nor II
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321076 A mineral is called an ore if

1 A metal can be economically obtained from it
2 A metal can be extracted from it
3 A metal cannot be obtained from it
4 It contains a precious metal
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321077 The rocky and siliceous matter associated with an ore is called

1 Slag
2 Mineral
3 Gangue
4 Flux