Natural Resources and Minerals Quiz
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Natural Resources and Minerals Quiz

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@AffordableLightYear

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Questions and Answers

What is the main component of the earth's lithosphere according to the text?

  • Air
  • Water
  • Plants
  • Rocks (correct)
  • Why are only a few metals found in the free state in nature?

  • They are extremely rare
  • Because they form compounds easily
  • Due to their high cost
  • They react rapidly with air and water (correct)
  • What are impurities of sand and soil in an ore referred to as?

  • Gangue (correct)
  • Minerals
  • Elements
  • Ores
  • Why is it more economical to obtain metals from ores rather than from the free state?

    <p>Metals from ores are purer</p> Signup and view all the answers

    Which term is used for minerals that contain a high proportion of metal?

    <p>Ores</p> Signup and view all the answers

    What is the primary process by which minerals are formed according to the text?

    <p>Environmental processes</p> Signup and view all the answers

    What is the main reason why all minerals are not considered ores?

    <p>Presence of impurities</p> Signup and view all the answers

    'Metal mineral' and 'non-metal mineral' refer to minerals based on their content of what?

    <p>'Chemical composition'</p> Signup and view all the answers

    'Gangue' is a term used for the impurities of what substances in an ore according to the text?

    <p>'Sand and soil'</p> Signup and view all the answers

    Study Notes

    Minerals and Ores

    • The main component of the earth's lithosphere is rocks.
    • Only a few metals are found in the free state in nature because most metals react with other elements to form compounds.
    • Impurities of sand and soil in an ore are referred to as gangue.
    • It is more economical to obtain metals from ores rather than from the free state because ores are more abundant and concentrated sources of metals.
    • Minerals that contain a high proportion of metal are referred to as ores.
    • The primary process by which minerals are formed is through the cooling and solidification of magma.
    • Not all minerals are considered ores because ores are minerals that can be economically extracted for their metal content.
    • 'Metal mineral' and 'non-metal mineral' refer to minerals based on their content of metal.
    • Gangue is a term used for the impurities of sand and soil in an ore.

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    Description

    Test your knowledge on natural resources, including their definition, examples, and types such as soil, stones, minerals, air, water, plants, and animals. Explore concepts related to the lithosphere, minerals, ores, metal minerals, and non-metal minerals. Understand the process of mining metals from their ores and the purification techniques involved.

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