Chemistry GCSE: Identifying Ions in Compounds
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Chemistry GCSE: Identifying Ions in Compounds

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Questions and Answers

Why is using solar energy considered a more sustainable way of generating electricity than burning oil?

  • Solar energy is cheaper to produce than burning oil.
  • Solar energy produces less pollution than burning oil. (correct)
  • Solar energy is more readily available than oil.
  • Solar energy has a higher energy density than oil.

    • What is a disadvantage of relying solely on solar energy to generate electricity?

  • Solar panels occupy a large amount of space.
  • Solar energy is more expensive than other sources.
  • Solar energy is not reliable during nighttime or cloudy days. (correct)
  • Solar panels require a lot of maintenance.

    • In the context of generating electricity, why might solar energy be considered a more sustainable option compared to hydropower?

  • Solar energy has lower environmental impacts than hydropower.
  • Solar energy does not depend on specific geographic locations like hydropower. (correct)
  • Solar energy requires less initial investment.
  • Solar energy has higher efficiency in converting energy than hydropower.

    • What makes solar energy a renewable source for generating electricity?

    <p>The potential to harness solar energy for an indefinite period.</p> Signup and view all the answers

    Which of the following is a valid concern regarding the widespread adoption of solar energy for electricity generation?

    <p>The disposal of toxic materials from solar panels.</p> Signup and view all the answers

    Why might some regions find it challenging to rely solely on solar energy for their electricity needs?

    <p>Limited availability of sunlight due to geographical location.</p> Signup and view all the answers

    What role do inverters play in converting solar energy into usable electricity?

    <p>Inverters convert DC electricity from solar panels into AC electricity.</p> Signup and view all the answers

    What could be a concern for individuals living in areas with frequent cloud cover when considering switching to solar energy?

    <p>Reduced efficiency of solar panels due to lack of direct sunlight.</p> Signup and view all the answers

    How can the intermittency of sunlight availability impact the stability of electricity supply from solar power?

    <p>Varied sunlight levels can cause inconsistent power output from solar panels.</p> Signup and view all the answers

    What environmental benefit do solar panels offer in comparison to traditional electricity generation methods like burning coal?

    <p>Solar panels reduce carbon dioxide emissions that contribute to climate change.</p> Signup and view all the answers

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