David Paterson Profile picture
Head of Digital Learning & Chemistry Teacher at Aldenham School; CLEAPSS Adviser; MRSC; MCCT; ASE 11-19 Committee; Microsoft Innovative Educator; Views my own.

Nov 9, 2021, 6 tweets

Some recent practical procedures for chemistry - tried, tested and safe methods from @CLEAPSS

PP113 – A simple, small-scale method for producing and testing hydrogen, oxygen and carbon dioxide

science.cleapss.org.uk/Resource-Info/…

Test tube level preparation and testing of gases:

Oxygen: PP112
Hydrogen: PP111
Carbon dioxide: PP110

science.cleapss.org.uk/Resource-Info/…

PP093 Harcourt-Essen clock reaction - completing a set covering different iodine clock reactions:

science.cleapss.org.uk/Resource-Info/…

(PP091 Landolt, PP092 Iodide-persulfate, bromide/bromate(V)/acid is almost ready)

PP115 - Testing for organic functional groups: unsaturation or double bonds

science.cleapss.org.uk/Resource-Info/…

Classic bromine water test, along with acidified and alkaline manganate(VII)

Part of a wider set of qualitative chemistry activities, summaries in this clear guide (GL369):

science.cleapss.org.uk/Resource-Info/…

Access these via:

science.cleapss.org.uk

Check with your HoD or technicians if you don't know your CLEAPSS login.

#KeepingSciencePractical

#chemed #scied #asechat @RSC_EiC

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