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Title: Qualitative Revision (AS Level Chemistry OCR)
Description: Useful help sheet for the qualitative practical assessment for AS level Chemistry (OCR).
Description: Useful help sheet for the qualitative practical assessment for AS level Chemistry (OCR).
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Qualitative Practical
Effect of acid with metals, carbonates, oxides and hydroxides
...
Water
can also be tested when copper anhydrous sulphate turns from white to blue when water is present
...
Carbonates in group one do not decompose with heat however they do in group 2 always
producing an oxide and carbon dioxide gas
...
When
bromine water is added to an alkene it turns colourless this is a good test for alkenes
...
They are all soluble in water forming alkaline solutions increasing in
solubility as you go down the group
...
They react with dilute acids and decompose to form an oxide and carbon
dioxide
...
More difficult to decompose down the
group
...
They become less
soluble down the group
...
The solid may change colour
...
Mixing Two Solutions
A precipitate (insoluble solid) may be formed
...
A gas could be given off
Title: Qualitative Revision (AS Level Chemistry OCR)
Description: Useful help sheet for the qualitative practical assessment for AS level Chemistry (OCR).
Description: Useful help sheet for the qualitative practical assessment for AS level Chemistry (OCR).