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zainab shah posted MyRSC Update: Re: IGCSE resources

in Resources on Jun 10 at 4:33pm BST

12 Replies

Chemistry by Prescott's
Faye Barclay posted IGCSE Chemistry textbook

in Resources on Jun 10 at 3:01pm BST

0 Replies

Hi all

Can anyone recommend a new text book for the IGCSE course?

I have looked at both Collins and the Pearson books

Thank you
Faye Barclay posted Re: IGCSE resources

in Resources on Jun 10 at 2:57pm BST

12 Replies

Hi all

Can anyone recommend a new text book for the IGCSE chemistry course? I have looked at both Collins and the new Pearson books.

Thank you
David Francis posted Re: Sodium Citrate Precipitate

in Talk Chemistry on Mar 26 at 9:09pm GMT

1 Reply

Sounds like bacterial growth!
Solutions will last a lot longer in the fridge, but any food source like that, not far from neutral will be attractive to various microbes.
James Holder posted Sodium Citrate Precipitate

in Talk Chemistry on Mar 26 at 4:45pm GMT

1 Reply

Hello all,

I have been making stock solutions of sodium citrate by dissolving 5% w/w in deionised water. However, after some time, a jelly-like substance appears in my vessels...
Bob Worley posted Re: A level practical at micro scale

in Talk Chemistry on Feb 13 at 9:04am GMT

6 Replies

Vimala; you might find some information on microscale on microchemuk.weebly.com. There are freely accessible videos on CLEAPSS You Tube and Bob Worley YouTube. (use a searc...
Peter Ward posted MyRSC Update: Re: A level practical at micro scale

in Talk Chemistry on Feb 12 at 5:15pm GMT

6 Replies

This is a bit tricky to demonstratesatisfactorilyPlace mineral wool inthe pyrex tube to reduce bumping .Your oil sample willhave lost all the lower boiling point component...
Gordana Gilchrist posted Re: A level practical at micro scale

in Talk Chemistry on Feb 12 at 12:18pm GMT

6 Replies

Hi Vimala and all interested in micro scale chemistry.
I have just got simple kit for distillation and reflux costing small tutorial college £ 94. I only tried to distil denatur...

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