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Questions and Answers
What is air primarily classified as?
What is air primarily classified as?
- A solution
- A compound
- A chemical element
- A mixture (correct)
Which of the following is a significant source of air pollution?
Which of the following is a significant source of air pollution?
- Photosynthesis
- Plant growth
- Water evaporation
- Burning firecrackers (correct)
What is a consequence of air pollution?
What is a consequence of air pollution?
- Increased growth of plants
- Improved air quality
- Harm to human health (correct)
- Enhanced visibility
Which component is NOT typically found in the composition of air?
Which component is NOT typically found in the composition of air?
What is one of the main purposes of the National Curriculum Framework (NCF)?
What is one of the main purposes of the National Curriculum Framework (NCF)?
Flashcards
Why is air called a mixture?
Why is air called a mixture?
Air is a mixture because it is made up of different gases, not just one specific substance. These gases are not chemically bonded together, but rather, they exist in varying proportions.
Where do the components of air come from?
Where do the components of air come from?
Some components of air, like oxygen, come naturally from processes like photosynthesis in plants. Others, like nitrogen, are directly extracted from the atmosphere.
What is air pollution?
What is air pollution?
Air pollution is the contamination of the air we breathe with harmful substances like smoke, dust, and gases. It can come from factories, vehicles, and even natural events like volcanic eruptions.
Why are firecrackers bad for the air?
Why are firecrackers bad for the air?
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What are the effects of air pollution?
What are the effects of air pollution?
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