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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?

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

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

The disposal of toxic materials from solar panels. Signup and view all the answers

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

Limited availability of sunlight due to geographical location. Signup and view all the answers

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

Inverters convert DC electricity from solar panels into AC electricity. 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?

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

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

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

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

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