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Chemical Engineering Basics - Section 28

  1. Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

    2. A.
    lumps
    B.
    pellets
    C.
    briquettes
    D.
    sinter

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  2. Corrosion is

    3. A.
    a physical phenomenon.
    B.
    a chemical phenomenon.
    C.
    same as erosion.
    D.
    an uncontrollable phenomenon.

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  3. Which of the following is not an ore of copper?

    4. A.
    Cryolite
    B.
    Azurite
    C.
    Chalcopyrite
    D.
    Malachite

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