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GCSE Science AQA (ISA)

I am really struggling with my ISA, and we are doing the practical next week along with the exam but I am yet to get my head around it.
I have done the method, equipment, hypothesis etc etc, but through the help of a friend.
I'm just wondering if anybody can help me understand it a little better?

The hyp is:
the amount of carbonate in an ore sample can be measured by adding hydrochloric acid until it stops fizzing

Thank you in advance!
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Original post by CLF1991
I am really struggling with my ISA, and we are doing the practical next week along with the exam but I am yet to get my head around it.
I have done the method, equipment, hypothesis etc etc, but through the help of a friend.
I'm just wondering if anybody can help me understand it a little better?

The hyp is:
the amount of carbonate in an ore sample can be measured by adding hydrochloric acid until it stops fizzing

Thank you in advance!
. Have u finished this ISA ?
Reply 3
Avatar for CLF1991
CLF1991
OP
Original post by MrTechGamer
. Have u finished this ISA ?


Yep, it was ****!
Nice I've finished It too! Do u know what the grade boundaries might be and do u remember what u put for the the questions on paper two about the case studies.Did u have to include info from all of them becuz I think I've messed up.

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