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Incomplete combustion - is carbon produced as well as carbon monoxide?
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Gortex (plastics) – why is it breathable because you are layering PTFE over nylon which isn’t breathable.
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In crude oil, are there alkenes present in it as well or is it just alkanes – are alkenes only obtained from cracking??
•
What is photochemical smog and why does ozone cause breathing difficulties for humans because isn't it useful to reduce the UV rays coming from the sun?
•
Incomplete combustion - is carbon produced as well as carbon monoxide?
•
Gortex (plastics) – why is it breathable because you are layering PTFE over nylon which isn’t breathable.
•
In crude oil, are there alkenes present in it as well or is it just alkanes – are alkenes only obtained from cracking??
•
What is photochemical smog and why does ozone cause breathing difficulties for humans because isn't it useful to reduce the UV rays coming from the sun?
•
Incomplete combustion - is carbon produced as well as carbon monoxide?
•
Gortex (plastics) – why is it breathable because you are layering PTFE over nylon which isn’t breathable.
•
In crude oil, are there alkenes present in it as well or is it just alkanes – are alkenes only obtained from cracking??
•
What is photochemical smog and why does ozone cause breathing difficulties for humans because isn't it useful to reduce the UV rays coming from the sun?
Last reply 15 hours ago
went from 3s to 9s with (literally) night before revision - ask me anything59
Last reply 17 hours ago
Based on 2023 GCSEs, will grade boundaries be higher or lower in 2024?15
Last reply 15 hours ago
went from 3s to 9s with (literally) night before revision - ask me anything59
Last reply 17 hours ago
Based on 2023 GCSEs, will grade boundaries be higher or lower in 2024?15