19/05/16 GCSE chemistry edexcel

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Emily Rafferty
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#1
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#1
Any ideas on what may be on the edexcel chemistry paper???
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L0st45
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May be wrong of course but my predictions:

1. Electrolysis
2. Uses of calcium carbonate
3. Early atmosphere
4. Fractional distillation
5. Disposal of polymers
6. Formation of rocks
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16barber
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(Original post by L0st45)
May be wrong of course but my predictions:

1. Electrolysis
2. Uses of calcium carbonate
3. Early atmosphere
4. Fractional distillation
5. Disposal of polymers
6. Formation of rocks
how sure are you aha
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booksandcats
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#4
Moles
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L0st45
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(Original post by 16barber)
how sure are you aha
Haha, quietly confident
I mean rocks hasn't been a six marker in a while. I guess they could do a six-marker on biofuels?
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16barber
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(Original post by L0st45)
Haha, quietly confident
I mean rocks hasn't been a six marker in a while. I guess they could do a six-marker on biofuels?
okay i shall put some trust in you
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HKHASSAN
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(Original post by L0st45)
May be wrong of course but my predictions:

1. Electrolysis
2. Uses of calcium carbonate
3. Early atmosphere
4. Fractional distillation
5. Disposal of polymers
6. Formation of rocks
Could you elaborate on what you mean by "formation of rocks" please.

Do you mean growing crystals or extraction of iron? I have never heard the term "formation of rocks" before.

Thanks!
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L0st45
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(Original post by HKHASSAN)
Could you elaborate on what you mean by "formation of rocks" please.

Do you mean growing crystals or extraction of iron? I have never heard the term "formation of rocks" before.

Thanks!
So the six marker could be:

'Describe how sedimentary, igneous and metamorphic rocks are formed.' (6)

However, what you said about growing crystals (via intrusive and extrusive cooling) and extracting iron is also correct.
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