Chemistry Revision Quiz: Nonmetals and Chemical Reactions
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Questions and Answers

Which of the following is not a property of nonmetals?

  • Low electrical conductivity
  • Brittle and non-malleable
  • High thermal conductivity (correct)
  • Low melting point
  • What is the chemical formula for sulfuric acid?

  • H2SO3
  • H2SO4 (correct)
  • HSO4
  • H2S2O7
  • What is the process of conversion of a solid directly into gas called?

  • Condensation
  • Evaporation
  • Sublimation (correct)
  • Vaporization
  • What are the key differences between nonmetals and metals?

    <p>Nonmetals generally have low melting and boiling points, are poor conductors of heat and electricity, and tend to gain electrons in chemical reactions.</p> Signup and view all the answers

    Explain the process of sublimation with an example.

    <p>Sublimation is the process of conversion of a solid directly into a gas without passing through the liquid state. An example is the conversion of dry ice (solid carbon dioxide) into carbon dioxide gas.</p> Signup and view all the answers

    What are the environmental impacts of sulfuric acid production and usage?

    <p>Sulfuric acid production and usage can lead to air pollution, acid rain, and environmental contamination if not managed properly.</p> Signup and view all the answers

    What are the major industrial applications of sulfuric acid?

    <p>Major industrial applications of sulfuric acid include fertilizer production, petroleum refining, wastewater treatment, and metal processing.</p> Signup and view all the answers

    How does sulfuric acid contribute to acid rain formation?

    <p>Sulfuric acid contributes to acid rain formation by reacting with water vapor in the atmosphere to form sulfuric acid droplets, which then fall to the Earth's surface as acid rain.</p> Signup and view all the answers

    Explain the role of sulfuric acid in the production of lead-acid batteries and associated environmental concerns.

    <p>Sulfuric acid is used in the production of lead-acid batteries to serve as the electrolyte, but the disposal and recycling of lead-acid batteries pose significant environmental concerns due to the release of lead and sulfuric acid into the environment.</p> Signup and view all the answers

    Study Notes

    Properties of Nonmetals

    • Nonmetals are poor conductors of heat and electricity
    • Nonmetals have high ionization energies and high electronegativities
    • Nonmetals are generally brittle and cannot be easily molded or shaped
    • Nonmetals have low melting and boiling points

    Sulfuric Acid

    • Chemical formula: H2SO4
    • Used in the production of fertilizers, detergents, and lead-acid batteries
    • Causes acid rain through atmospheric reactions
    • Major industrial applications: fertilizer production, detergent manufacturing, oil refining, and wastewater treatment
    • Contributes to acid rain formation through sulfur dioxide emissions

    Sublimation

    • Process of conversion of a solid directly into gas without going through the liquid phase
    • Example: dry ice (solid carbon dioxide) sublimes at room temperature

    Nonmetals vs Metals

    • Nonmetals are typically poor conductors of heat and electricity, whereas metals are good conductors
    • Nonmetals tend to gain electrons to form anions, whereas metals tend to lose electrons to form cations
    • Nonmetals are brittle and cannot be easily molded or shaped, whereas metals are often malleable and ductile

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    Description

    Prepare for your science exam with this chemistry revision quiz. Test your knowledge on nonmetals, chemical formulas, and phase transitions.

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