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

321078 Which of the following statements is true ?

1 All ores are minerals.
2 An ore cannot be a mineral.
3 All minerals are ores.
4 All are correct.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321079 Statement A :
A mineral is called ore, when metal is extracted from it conveniently and economically.
Statement B :
All ores are minerals but all minerals are not ores.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321080 Identify the pair which contains metallic oxides as ores.

1 Ruby copper and zincite
2 Argentite and zinc blende
3 Horn silver and anglesite
4 Chromite and ruby silver
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321081 Which of the following statement is incorrect?

1 Silver glance mainly contains silver sulphide
2 Gold is found in native state
3 Zinc blende mainly contains zinc chloride
4 Copper pyrites also contain \(\mathrm{\mathrm{Fe}_{2} \mathrm{~S}_{3}}\)
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321078 Which of the following statements is true ?

1 All ores are minerals.
2 An ore cannot be a mineral.
3 All minerals are ores.
4 All are correct.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321079 Statement A :
A mineral is called ore, when metal is extracted from it conveniently and economically.
Statement B :
All ores are minerals but all minerals are not ores.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321080 Identify the pair which contains metallic oxides as ores.

1 Ruby copper and zincite
2 Argentite and zinc blende
3 Horn silver and anglesite
4 Chromite and ruby silver
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321081 Which of the following statement is incorrect?

1 Silver glance mainly contains silver sulphide
2 Gold is found in native state
3 Zinc blende mainly contains zinc chloride
4 Copper pyrites also contain \(\mathrm{\mathrm{Fe}_{2} \mathrm{~S}_{3}}\)
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321078 Which of the following statements is true ?

1 All ores are minerals.
2 An ore cannot be a mineral.
3 All minerals are ores.
4 All are correct.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321079 Statement A :
A mineral is called ore, when metal is extracted from it conveniently and economically.
Statement B :
All ores are minerals but all minerals are not ores.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321080 Identify the pair which contains metallic oxides as ores.

1 Ruby copper and zincite
2 Argentite and zinc blende
3 Horn silver and anglesite
4 Chromite and ruby silver
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321081 Which of the following statement is incorrect?

1 Silver glance mainly contains silver sulphide
2 Gold is found in native state
3 Zinc blende mainly contains zinc chloride
4 Copper pyrites also contain \(\mathrm{\mathrm{Fe}_{2} \mathrm{~S}_{3}}\)
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CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321078 Which of the following statements is true ?

1 All ores are minerals.
2 An ore cannot be a mineral.
3 All minerals are ores.
4 All are correct.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321079 Statement A :
A mineral is called ore, when metal is extracted from it conveniently and economically.
Statement B :
All ores are minerals but all minerals are not ores.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321080 Identify the pair which contains metallic oxides as ores.

1 Ruby copper and zincite
2 Argentite and zinc blende
3 Horn silver and anglesite
4 Chromite and ruby silver
CHXII06:GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

321081 Which of the following statement is incorrect?

1 Silver glance mainly contains silver sulphide
2 Gold is found in native state
3 Zinc blende mainly contains zinc chloride
4 Copper pyrites also contain \(\mathrm{\mathrm{Fe}_{2} \mathrm{~S}_{3}}\)
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