Official AQA GCSE Chemistry Unit 2 24th Janurary NEW SPEC

Actually true probably around 42/41. But this exam was easier than june 2012 and a* was 49 then and A was 39!

I thought this exam was a lot harder than the June 2012. I took it as a mock and got 58/60. Don't think i've gotten anywhere near that on this exam.

The question about the blue crystals, did you get it by filtering? or crystallization, if it was crystallization then OMG!

did you have to discard the anomaly for the mean?

You remove the excess copper oxide by filtration but you get the crystals of the salt by crystallisation.

Hmmmmm what questions did you think you lost marks on?

For the first question, writing something like "The reaction forms products. The products make the solution cloudy" get any marks out of the two? And for the question which asked to suggest why you increased the temperature in step 1 of the reaction, was the answer to increase the reaction rate or the reaction is endothermic?

You remove the excess copper oxide by filtration but you get the crystals of the salt by crystallisation.

The question about the blue crystals, did you get it by filtering? or crystallization, if it was crystallization then OMG!

Tbh as far as I can think of the a few 1 markers. The first question with the mean and the anomalous data (if that proves to be correct), the question asking the number of electrons in iodines outer shell, me be silly tried to count them instead of realising halogen is a halogen. And the asking for the ionic equation... had no idea what an ionic equation was so I put
(Na+OH-)+(H+Cl-) ---> (Na+Cl-) + (H+OH-), I then wrote the worded equation below.

I think the answer was just H+ + OH- --> H2O

I recall writing endothermic, I could be wrong...

It was a precipitation reaction so the substance small particles were suspended in the solution.

the answer was H2O (reversible reaction sign) H+ + OH- according to my chem teacher

We're talking about the question that asked why it was heated.

Ah well... it was one mark right? I hope.

It was a one marker, I put filtration in one then evaporation in other o.o