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Chemistry Unit 4 IAL(new syllabus)Discussion Group.13th January 2020
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Anyone doing IAL Chemistry Unit 4 new syllabus(old syllabus can also join)
How's prep going and what are you focusing most on for revision.
How's was AS exams and what did you get.
Leave any predictions for Unit 4
Ask for help if you have any problem on any topics
How's prep going and what are you focusing most on for revision.
How's was AS exams and what did you get.
Leave any predictions for Unit 4
Ask for help if you have any problem on any topics
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#2
Hi, I am doing Unit 4 new spec. I feel quite confident. I am mainly concerned about drawing pH graphs and making silly mistakes. Otherwise the material is pretty straight forward.
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(Original post by HPAaxis)
Hi, I am doing Unit 4 new spec. I feel quite confident. I am mainly concerned about drawing pH graphs and making silly mistakes. Otherwise the material is pretty straight forward.
Hi, I am doing Unit 4 new spec. I feel quite confident. I am mainly concerned about drawing pH graphs and making silly mistakes. Otherwise the material is pretty straight forward.
Can't get rid of silly mistakes.
I just did the sample material.I saw the question about clock reaction,isn't iodine thiosulfate reaction moved to unit 5 then how come in sample of unit 4
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#4
(Original post by Roha125)
Yep same here
Can't get rid of silly mistakes.
I just did the sample material.I saw the question about clock reaction,isn't iodine thiosulfate reaction moved to unit 5 then how come in sample of unit 4
Yep same here
Can't get rid of silly mistakes.
I just did the sample material.I saw the question about clock reaction,isn't iodine thiosulfate reaction moved to unit 5 then how come in sample of unit 4
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(Original post by HPAaxis)
DUDE! SPOILER ALERT!!! Come on man.
DUDE! SPOILER ALERT!!! Come on man.
Exam is in 1 day so I thought everybody has done the sample
Let me know how much you get.I got 78 for many silly mistakes
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(Original post by HPAaxis)
Hi, I am doing Unit 4 new spec. I feel quite confident. I am mainly concerned about drawing pH graphs and making silly mistakes. Otherwise the material is pretty straight forward.
Hi, I am doing Unit 4 new spec. I feel quite confident. I am mainly concerned about drawing pH graphs and making silly mistakes. Otherwise the material is pretty straight forward.
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#8
Solid exam to be honest.
Solid exam to be honest. Can't complain at all. What was your pH for the ester and NaOH hydrolysis question?
(Original post by AndrewJoji)
How did you guys find it?
How did you guys find it?
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#13
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#14
(Original post by Icon567)
Guys what did you get for the buffer solution pH question 5 marker
Guys what did you get for the buffer solution pH question 5 marker
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#15
(Original post by Jiihamza)
Bro they gave Ka 1x10*-14 so just use concentration of H ion multiply by concentration of OH- ions equals Ka
Bro they gave Ka 1x10*-14 so just use concentration of H ion multiply by concentration of OH- ions equals Ka
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#16
(Original post by Icon567)
Guys what did you get for the buffer solution pH question 5 marker
Guys what did you get for the buffer solution pH question 5 marker
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Didn't go that well for me
Was short of time but was able to finish it by taking extra 2mins as invigilator was collecting other students papers,as I rushed it I think I have done many silly mistakes.
Even I got 4.65 but 2 of my friends got 4.89.I don't know which is correct
Was short of time but was able to finish it by taking extra 2mins as invigilator was collecting other students papers,as I rushed it I think I have done many silly mistakes.
Even I got 4.65 but 2 of my friends got 4.89.I don't know which is correct
(Original post by Icon567)
Hey was it 4.65?
Hey was it 4.65?
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