Chemistry - Rocks And Metals Quiz

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Overlordtom
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Quizzes Created: 1 | Total Attempts: 166
| Attempts: 166
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  • 1/10 Questions

    Which metal is mainly used for making aircraft?

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About This Quiz

This Chemistry quiz focuses on Rocks and Metals, covering key concepts like the reaction of water with quicklime, properties of limestone, thermal decomposition, and the reactivity series. It assesses understanding of chemical reactions and material properties, crucial for learners in chemistry education.

Chemistry - Rocks And Metals Quiz - Quiz

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  • 2. 

    The way in which we extract a metal depends on its what?

    • Reactivity Series

    • Value

    • Shape and Size

    Correct Answer
    A. Reactivity Series
    Explanation
    Potassium is the most reactive and Platinum is the least reactive.

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  • 3. 

    What is limestone mainly made of?

    Correct Answer
    calcium carbonate
    Explanation
    limestone was formed from plants and animals a million years ago.

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  • 4. 

    What is the scientific name of breaking down a chemical by heating?

    • Demonetization

    • Melting

    • Thermal Decomposition

    Correct Answer
    A. Thermal Decomposition
    Explanation
    There are also other ways to split compounds, like electrolysis

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  • 5. 

    Atoms consist of a nucleus surrounded by _________.

    Correct Answer
    electrons
    Explanation
    Atoms consist of a nucleus surrounded by electrons. The nucleus, located at the center of an atom, contains protons and neutrons. Electrons, which have a negative charge, orbit around the nucleus in specific energy levels or shells. These electrons are responsible for the chemical properties and bonding behavior of atoms.

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  • 6. 

    Slaked limes chemical name is calcium hydroxide?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The chemical equation is Ca(OH)2

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  • 7. 

    We extract iron using a ______ _______.

    Correct Answer
    blast furnace
    Explanation
    The iron produced by a blast furnace is not that useful as it is only 96% iron.

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  • 8. 

    What Happens when you add Water to quicklime?

    • It becomes lime water.

    • It becomes Slaked lime.

    • It stays the same.

    Correct Answer
    A. It becomes Slaked lime.
    Explanation
    Calcium Oxide + Water ------> Calcium Hydroxide

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  • 9. 

    Powdered Limestone + Sand + Sodium Carbonate = Concrete

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Water, cement and sand makes concrete.

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  • 10. 

    Which three from the list are used to make mortar

    • Slaked Lime

    • Salt

    • Cement

    • Lime Water

    • Sand

    • Iron

    • Water

    Correct Answer(s)
    A. Slaked Lime
    A. Sand
    A. Water
    Explanation
    Mortar was used in roman times to hold bricks and other materials together.

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Quiz Review Timeline (Updated): Oct 30, 2024 +

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  • Current Version
  • Oct 30, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 20, 2011
    Quiz Created by
    Overlordtom
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