Chemistry - Rocks And Metals Quiz

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| By Overlordtom
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Overlordtom
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Quizzes Created: 1 | Total Attempts: 156
Questions: 10 | Attempts: 157

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Chemistry Quizzes & Trivia

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Questions and Answers
  • 1. 

    What Happens when you add Water to quicklime?

    • A.

      It becomes lime water.

    • B.

      It becomes Slaked lime.

    • C.

      It stays the same.

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

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  • 2. 

    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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  • 3. 

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

    • A.

      Demonetization

    • B.

      Melting

    • C.

      Thermal Decomposition

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

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  • 4. 

    Slaked limes chemical name is calcium hydroxide?

    • A.

      True

    • B.

      False

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

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  • 5. 

    Which three from the list are used to make mortar

    • A.

      Slaked Lime

    • B.

      Salt

    • C.

      Cement

    • D.

      Lime Water

    • E.

      Sand

    • F.

      Iron

    • G.

      Water

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

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  • 6. 

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

    • A.

      Reactivity Series

    • B.

      Value

    • C.

      Shape and Size

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

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  • 7. 

    Powdered Limestone + Sand + Sodium Carbonate = Concrete

    • A.

      True

    • B.

      False

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

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  • 8. 

    Which metal is mainly used for making aircraft?

    Correct Answer
    aluminium
    Explanation
    aluminium is strong and light, which is perfect for aircrafts.

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  • 9. 

    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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  • 10. 

    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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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 20, 2011
    Quiz Created by
    Overlordtom
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