Extraction Of Iron And Basic Electrolysis

5 Questions | Total Attempts: 73

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Extraction Of Iron And Basic Electrolysis

Answer the multiple choice questions below


Questions and Answers
  • 1. 
    What is the definition of reduction?
    • A. 

      The state where there is a loss of electron

    • B. 

      The complete transfer of 10 electrons to a molecular entity

    • C. 

      The complete transfer of one or more electrons to a molecular entity.

    • D. 

      All of the above

  • 2. 
    What is the definition of oxidation?
    • A. 

      A chemical reaction which is the combining of oxygen with various elements and compounds.

    • B. 

      A process where there is an addition of hydrogen

    • C. 

      The product of adding limestone to iron ore.

  • 3. 
    What is an oxidizing agent?
    • A. 

      A chemical compound which is moderately toxic by ingestion

    • B. 

      A chemical compound which takes the oxygen completely out of atoms

    • C. 

      A chemical compound that readily transfers oxygen atoms

    • D. 

      All of the above

  • 4. 
    What is a reducing agent?
    • A. 

      A substance that may be harmful if swallowed

    • B. 

      A substance that chemically reduces other substances, especially by donating an electron or electrons.

    • C. 

      A substance that chemically reduces other substances by adding protons

    • D. 

      All of the above

  • 5. 
    What is Iron Ore?
    • A. 

      Iron ore are mined rocks and minerals from which metallic iron can be extracted. Iron ore is usually found in the form of magnetite, hematite, goethite, limonite and siderite.

    • B. 

      Iron ore are mined rocks and minerals which are usually found at extremely high altitudes

    • C. 

      Iron ore are mined rocks and minerals which contain highly toxic materials like

    • D. 

      All of the Above