This video relates to the Edexcel (9-1) GCSE Chemistry specification which will be examined for the first time in 2018. Check out more of our Edexcel GCSE science videos and revision resources at [ Ссылка ]
![](https://i.ytimg.com/vi/tRdjpxUD9cE/maxresdefault.jpg)
This video relates to the Edexcel (9-1) GCSE Chemistry specification which will be examined for the first time in 2018. Check out more of our Edexcel GCSE science videos and revision resources at [ Ссылка ]