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GCSE Chemistry (AQA) - what topics are in triple only?

6 replies

naem · 18/10/2021 20:08

DD has been told that for the mocks coming up in December, they will be assessed only on the double syllabus, not any of the additional triple topics (they have apparently done some of them).
All the books and notes we have are for the triple syllabus, and don't make it immediately clear which bits are also part of combined science and which aren't.
I did a search online, and didn't seem to easily come up with - here is the list of additional topics in triple chemistry not in double (although I did for biology). Could somebody point me to a list?

OP posts:
Seeline · 19/10/2021 16:04

filestore.aqa.org.uk/resources/chemistry/specifications/AQA-8462-SP-2016.PDF

Page 17 onwards - stuff marked 'chemistry only' is the additional content for the individual chemistry GCSE.

THe PGC revision books are usually pretty good at clearly showing what is needed for combined versus individual subject exams.

naem · 19/10/2021 16:34

@Seeline - thanks. I have now done a search through the spec, using a find on "chemistry only", so that is helpful. I guess I could pull each of these out as a list, but I had assumed somebody else must have done it already - oh well, here goes:
I seem to be getting:

  • Properties of Transition metals; (4.1.3)
  • Bulk and surface properties of matter including nanoparticles; (4.2.4)
  • Yield and atom economy of chemical reactions; (4.3.3)
  • Using concentrations of solutions in mol/dm3 (4.3.4)
  • Use of amount of substance in relation to volumes of gases; (4.3.5)
  • titrations (4.4.2.5) including required practical 2
  • Chemical cells and fuel cells (4.5.2)
  • Reactions of alkenes and alcohols (4.7.2)
  • Synthetic and naturally occurring polymers (4.7.3)
  • Identification of ions by chemical and spectroscopic means (4.8.3)
  • Using materials (4.10.3)
  • The Haber process and the use of NPK fertilisers (4.10.4)
  • Practicals 2 and 7
OP posts:
Radagast · 19/10/2021 20:50

Required Practical 8 from the using resources topic is ever so slightly different for the trilogy (double) than for separate. They need to be able to test the pH of the water before and after distillation and work out the mass of dissolved solids for the trilogy as opposed to ions tests for the separate chemistry

MuddledUpAgain · 19/10/2021 20:56

If you look at the combined science specification, anything for Chemistry in there is double only. Might save you trawling through the triple chemistry spec.

naem · 19/10/2021 21:35

@MuddledUpAgain - the thing is that we only have triple books at the moment, and she has been using the Pearson one for AQA triple, and it doesn't clearly distinguish, at least in the workbook, and neither do the CGP flashcards that we have. And she has been trying to work out whether some of the bits that she doesnt' know is because it is part of triple or part of double. Having now just gone through the triple spec, we understand that the titration parts and the atom economy, none of which looked familiar, were because it is part of triple (and she did the questions on the transition metals, even though that seems to be a part of triple). She also says that the rate of reaction section looks unfamiliar - but we don't know if somehow she missed it, it hasn't been taught yet but will be before December, or it is a part of triple. It is a bit tricky when you are trying to work through a revision book to identify which bits to take out, which is why I was looking for a list to help her. Having now seen the list, however, it seems clear that she has indeed covered all the double content of Paper 1 (except the bit on exothermic/endothermic reactions etc which they are covering now) - and we are now trying to get to grips with Paper 2 (I think she has done all the organic content, which might include the triple content as well).

OP posts:
MuddledUpAgain · 19/10/2021 21:53

Ah ok, that makes sense. Some books aren't great at differentiating!

From memory the triple only parts in each topics are:

Atomic structure- transition metals is triple.
Bonding- everything to do with nano particles.
Quantitative- percentage yield, atom economy, concentration in mol/dm3, gas volumes
Chem changes- titrations
Energy changes- chemical cells, fuel cells
Rates- all content is double. If she can't remember it, I'd suggest school haven't covered it yet.
Organic- reactions of alkenes, alcohols, carboxylic acids, polymers
Chem analysis- ion tests, flame tests
Atmosphere- all is double content
Resources- corrosion, alloys, ceramics, haber process, fertilisers.

I've also sent you a DM.

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