The Student Room Group

aqa as chemistry observations (/empa?)

Hi there,

Just wondering if anyone has a full list of all possible observations than can come up in aqa as chemistry. (for the exam/the empa. I've heard rumours we need to know our observations really well for the EMPA :s-smilie:)

Anything will be greatly appreciated.

thanksss
The changes you should look for are precipitate, effervescence (this means bubbles/foaming/fizzing) the colour or if there's no visible change
(edited 9 years ago)

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