GCSE Chemistry - Acids, Bases and Alkalis

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This video runs through what acids, bases and alkalis are as well as the pH scale and how changing the pH of a substance affects the concentration of the hydrogen ions present.
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Thank you really much, I have a test tomorrow and this helped, me prepare

marwan
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Hi, would It be possible to go through some A-level chemistry year 1 papers, I get the information but I just can't apply it to exam questions, thanks!

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hahahahahahahahahaha GSCE ARE TOO EASY.

adilhussain