GCSE Chemistry - Air Pollution #70

In this video, we cover:
- What air pollution is
- What substances count as air pollutants
- How those substances are made
- Why they're harmful / the problems they cause

[Cognitoedu]

If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are:
- Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown.
- Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on.
- Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like.
- A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts.
- A comprehensive bank of past exam papers, organised both by year, and also by topic.

Amadeus & Tom

[makulasillah]

love this vid its such a clear explanation for me who struggles to understand chemistry thank u Cognito

[rachael]

omg ty i have my exam tomorrow and i need to get that grade 7, this has helped a lot :)

[henryhsil]

Plz do make playlist of all chapters of science that would be easier for us to access. Thanks from Pakistan

[IshanHM]

What sources do you get the information from? Is there a specific textbook or website that you use? If so which one?

[urishakhan]

Thank you It was very helpful. I find chemistry really difficult to understand.

[jxxfpkc]

went from a 3-3 in december mocks to 8-8 with cognito

[dark]

In Skopje 🇲🇰🇲🇰🇲🇰 and all big cities air has so much pollution

[tia_playz]

the majority of their views coming from school children: 😥