OCR Salters Chemistry F332 Jan 2012
Chemistry exam discussion - share revision tips in preparation for GCSE, A Level and other chemistry exams and discuss how they went afterwards.
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Re: OCR Salters Chemistry F332 Jan 2012Hey beth could you by any chance have the f332 markscheme from june 2011 currently on you by any chance?(Original post by Betherella93)
Does anyone have any notes to share that they have made on the chlorine dioxide advanced notice ?
Thanks
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Re: OCR Salters Chemistry F332 Jan 2012This should work - https://interchange.ocr.org.uk/Downl...wnloadId=95640(Original post by stealth_writer)
Hey beth could you by any chance have the f332 markscheme from june 2011 currently on you by any chance?
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Re: OCR Salters Chemistry F332 Jan 2012What do i type in?(Original post by Betherella93)
This should work - https://interchange.ocr.org.uk/Downl...wnloadId=95640
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Re: OCR Salters Chemistry F332 Jan 2012June 2011 QP: F332 June 11 QP.pdf
No mark scheme though... sorry
DOES ANYONE HAVE THE MARK SCHEME??? PLEASE UPLOAD!!! -
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Re: OCR Salters Chemistry F332 Jan 2012MS(Original post by avataraang)
June 2011 QP: F332 June 11 QP.pdf
No mark scheme though... sorry
DOES ANYONE HAVE THE MARK SCHEME??? PLEASE UPLOAD!!!
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Re: OCR Salters Chemistry F332 Jan 2012You know what the grade boundaries are? June 11
Did the paper again, got 71/80. Made o many silly little mistakes though
I understand it all clearly, I'm just missing little details...
Last edited by hash007; 17-01-2012 at 23:18. -
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Re: OCR Salters Chemistry F332 Jan 2012Do not know any websites... sorry(Original post by pakizrulez)
arghhh i hate the calculations, theyre always different except the titrations ones...does anyone know any website where i can understand them from eg. finding percentage of something..using moles and mass
I had the same problem in AS, but I overcame this by practicing EVERY SINGLE PAST PAPER CALCULATION QUESTION and understanding how I got to the answer... or understanding how the mark scheme got the answer...if you do this u should be fine
Since it is now close to the paper. My advice: Just look at the questions, check the mark scheme, make a few quick notes if you need to and understand how they got there. GOOD LUCK!
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Re: OCR Salters Chemistry F332 Jan 2012Chlorine Dioxide is more suitable than chlorine because:
*Chlorine is a volatile gas which is poisonous causing breathing difficulties
*Chlorine is also difficult to transport and also expensive
*Chlorine Dioxide is better at bleaching/disinfecting therefore less concentration is required in cleaning products - therefore cheaper
*Chlorine Dioxide is also a gas at room temp but more soluble so easily transported
*Chlorine affects the ozone by breaking it down however Chlorine Dioxide doesn't
hope that helps
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Re: OCR Salters Chemistry F332 Jan 2012Chlorine Dioxide is slightly polar, so it does have a net dipole charge(Original post by ineedtorevise127)
Does chlorine dioxide have a net dipole charge? -
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Re: OCR Salters Chemistry F332 Jan 2012does it form PD PD bonds?(Original post by avataraang)
Chlorine Dioxide is slightly polar, so it does have a net dipole charge -
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Re: OCR Salters Chemistry F332 Jan 2012From what I heard from my classmates... yes but i am not 100% sure. Sorry(Original post by ineedtorevise127)
does it form PD PD bonds?
I understand it all clearly, I'm just missing little details...
