GCSE WJEC Chemistry Watch

xoxCooperxox
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My chemistry teacher is new to my school and is definitely under 30. He can’t teach to save his life but I really need to know this stuff. Anyone got any chemistry knowledge they could share?

Currently we’ve ‘completed’ the topics;
•Substances and Chemical Reactions
•Metallic Bonding
•Ionic Bonding
•Covalent Bonding
•Simple Molecular Compounds
•Nanoscience
•Acids and Alkalis
•Neutralisation (we stared at acid dripping into alkali for an entire 30 minutes)
•Naming Salts (I understood this one)
•Balanced Symbol Equations (we did this topic last year so I understand this too)

Thanks guys xx
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passionatefruit
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Which exam board are you using? If AQA or Edexcel just read the revision guide for science, they have everything required to know, it enough detail, not too much or not too less
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xoxCooperxox
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(Original post by passionatefruit)
Which exam board are you using? If AQA or Edexcel just read the revision guide for science, they have everything required to know, it enough detail, not too much or not too less
Where would i find the revision guides? Also, not sure which one it is. I’ll have to check.
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Senhoritamia
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(Original post by xoxCooperxox)
Where would i find the revision guides? Also, not sure which one it is. I’ll have to check.
on Amazon they have every revision guide known to man lol. Ask your teacher which exam board your year is using and then order the GCSE chemistry book for that exam board
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ChemistryWebsite
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(Original post by xoxCooperxox)
My chemistry teacher is new to my school and is definitely under 30. He can’t teach to save his life but I really need to know this stuff. Anyone got any chemistry knowledge they could share?

Currently we’ve ‘completed’ the topics;
•Substances and Chemical Reactions
•Metallic Bonding
•Ionic Bonding
•Covalent Bonding
•Simple Molecular Compounds
•Nanoscience
•Acids and Alkalis
•Neutralisation (we stared at acid dripping into alkali for an entire 30 minutes)
•Naming Salts (I understood this one)
•Balanced Symbol Equations (we did this topic last year so I understand this too)

Thanks guys xx
This site in the link is covering GCSE Science chemistry topics, including a number of the ones you mentioned.

I'm curious about your neutralisation lesson. You just sat there in silence watching the burette....?
What did the teacher talk about during that lesson?
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xoxCooperxox
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(Original post by TutorsChemistry)
This site in the link is covering GCSE Science chemistry topics, including a number of the ones you mentioned.

I'm curious about your neutralisation lesson. You just sat there in silence watching the burette....?
What did the teacher talk about during that lesson?
Thanks 😁

Umm... he frequently mentioned ‘removing the funnel’ and he said somethhin about the universal indicator. He also mentioned that he’d broken two burettes during training.
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xoxCooperxox
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(Original post by Senhoritamia)
on Amazon they have every revision guide known to man lol. Ask your teacher which exam board your year is using and then order the GCSE chemistry book for that exam board
Thank you 😸
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ChemistryWebsite
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(Original post by xoxCooperxox)
Thanks 😁

Umm... he frequently mentioned ‘removing the funnel’ and he said somethhin about the universal indicator. He also mentioned that he’d broken two burettes during training.
Funny the bits you remember. I'm sure I have broken burettes too, but I tend to tell students about neutralisation if that is the topic

Some thoughts that may jog memories of what you should have discussed:
What do you understand by neutralisation?
Why would you use a burette?
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xoxCooperxox
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(Original post by TutorsChemistry)
Funny the bits you remember. I'm sure I have broken burettes too, but I tend to tell students about neutralisation if that is the topic

Some thoughts that may jog memories of what you should have discussed:
What do you understand by neutralisation?
Why would you use a burette?
You use a burette to correctly measure the amount of acid used to neutralise the alkali.
The only thing we wrote down in the lesson of a timportance was the title. The rest was a starter of naming salts.
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ChemistryWebsite
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(Original post by xoxCooperxox)
You use a burette to correctly measure the amount of acid used to neutralise the alkali.
The only thing we wrote down in the lesson of a timportance was the title. The rest was a starter of naming salts.
OK. And why use an indicator?
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jmuse
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I did Chemistry with WJEC this year and found that the revision notes made by Bangor Uni and the WJEC revision guide to be the best by far - they're definitely most targeted to the course and exam questions compared to CGP e.t.c

https://www.bangor.ac.uk/ccm/GCSE/GC...-1-english.pdf
C1

https://www.bangor.ac.uk/ccm/GCSE/GC...mistry%202.pdf
C2

https://www.bangor.ac.uk/ccm/GCSE/GC...mistry%203.pdf
C3

(I think the science syllabus has changed and the C2 and C3 revision guides are for the old spec and don't exist anymore but they still might be useful for the topics you're stuck on)

https://www.amazon.co.uk/My-Revision...33NA8AN6EJJXSN

That would be the best revision guide to buy if you wanted to.

Hope this helps!
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xoxCooperxox
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(Original post by TutorsChemistry)
OK. And why use an indicator?
Adding an indicator to an acid or alkali will turn the colourless liquid red or purple. To work out when the alkali neutralises. If it starts off purple then you have to add acid until it turns green. The indicator will turn green when the alkali neutralises.
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xoxCooperxox
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(Original post by jmuse)
I completed WJEC Chemistry this year and found that the revision notes made by Bangor Uni and the WJEC revision guide to be the most helpful for revision - they're definitely most targeted to the course and exam questions compared to CGP e.t.c

https://www.bangor.ac.uk/ccm/GCSE/GC...-1-english.pdf
C1

https://www.bangor.ac.uk/ccm/GCSE/GC...mistry%202.pdf
C2

https://www.bangor.ac.uk/ccm/GCSE/GC...mistry%203.pdf
C3

(I think the science syllabus has changed and the C2 and C3 revision guides are for the old spec and don't exist anymore but they still might be useful for the topics you're stuck on)

https://www.amazon.co.uk/My-Revision...33NA8AN6EJJXSN

That would be the best revision guide to buy if you wanted to.

Hope this helps!
Thank you!!! This is going to be so helpful!
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jmuse
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(Original post by xoxCooperxox)
Thank you!!! This is going to be so helpful!
Np! And also, once in a while check the Bangor uni page as they might post the year 11 revision guide:https://www.bangor.ac.uk/ccm/gcserevision.php.en

They saved my life during exams so I would really recommend using them for all the sciences! (and its free)
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ChemistryWebsite
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(Original post by xoxCooperxox)
Adding an indicator to an acid or alkali will turn the colourless liquid red or purple. To work out when the alkali neutralises. If it starts off purple then you have to add acid until it turns green. The indicator will turn green when the alkali neutralises.
Great. The moment of permanent colour change is the end point, the point of exact neutralisation.
So the titration enables you to know when the exact point of neutralisation occurs. This is useful if you want to find the concentration of the acid or alkali.

We never even needed to mention funnels
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xoxCooperxox
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(Original post by jmuse)
Np! And also, once in a while check the Bangor uni page as they might post the year 11 revision guide:https://www.bangor.ac.uk/ccm/gcserevision.php.en

They saved my life during exams so I would really recommend using them for all the sciences! (and its free)
Thanks. Hopefully I’ll remember to check it. I’m super forgetful 😹😹
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xoxCooperxox
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(Original post by TutorsChemistry)
Great. The moment of permanent colour change is the end point, the point of exact neutralisation.
So the titration enables you to know when the exact point of neutralisation occurs. This is useful if you want to find the concentration of the acid or alkali.

We never even needed to mention funnels
So maybe my teacher isn’t so bad after all. Thanks so much!!!

I remember writing a tiny bit about titration but it doesn’t appear to be in my book anymore.
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jmuse
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(Original post by xoxCooperxox)
Thanks. Hopefully I’ll remember to check it. I’m super forgetful 😹😹
Haha don't worry I'm sure you will!

Are you in year 10 or 11 may I ask?
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xoxCooperxox
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(Original post by jmuse)
Haha don't worry I'm sure you will!

Are you in year 10 or 11 may I ask?
11 set 1. I’ve never been that good at chemistry though xD
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ChemistryWebsite
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(Original post by xoxCooperxox)
So maybe my teacher isn’t so bad after all. Thanks so much!!!

I remember writing a tiny bit about titration but it doesn’t appear to be in my book anymore.
Don't write off your teacher completely, glean what you can from your lessons
Use the various resources you have been been told in this thread; and keep coming back here and asking about the things you don't pick up in your lessons.
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