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do i have to revise electrolysis alot!! ? cuz i hate it and i never understand it(
there weren't many electrolysis questions but it would be better if u revise it...
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do i have to revise electrolysis alot!! ? cuz i hate it and i never understand it(
dude, for the 3rd question(apparatus), did you get D?I did. I believe I got all 40 right.![]()
D here too.
what did you guys write for the question about the addition of excess copper(ii)oxide to dilute HCl which is heated and filtered?
Cthe pH of the acid before adding the base and the pH of the filterate
pH of acid before adding CuO -pH of filterate
A Greater than 7- 7
B Greater than 7 -Greater than 7
C Less than 7- 7
D Less than 7 -Greater than 7
This is a repeated question from previous years, solved a similar one, it's a D !So ppl do u think the apparatus is it C or D?? A lot of ppl say D but why D and not just C??
q 5 was repeated from 0620/01/02
q 5 was repeated from 0620/01/02
This is a repeated question from previous years, solved a similar one, it's a D !
http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s07_qp_1.pdf q
qs for appartus that came is number 2 . the answer IS D GUYS![]()
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