Qualification > Queries
How were the exams?(Edexcel)
M-H:
--- Quote from: nzpd9 on May 15, 2010, 12:50:47 pm ---for test for OH- i put use red litmus paper nd it turns blue .. shouldve put methyl orange or phenolphalein..
Starch indicator goes from blue-black to colourless! not white!
You use a Volumetric Flask to make up the standard solution...
--- End quote ---
ah ok volumetric flask. i cudnt rmbr the name:D.abt the colorles thing..actualy many of my mates too said its colorless..but acordin to the notes given by my teachers its white...
duno gta clarfy frm her!! n hey litmus' k too!chill! its over lets c hw the xam next fris gna b..hopefuly as nice as the u3..good luck:)
Book lover22:
Yeah yeah Thanks mates! lets hope 4 da BEST! InshALLAH! :D
Darth Austrakast:
Yeah Best o' luck 2 evrybody!!!!!
Darth Austrakast:
Well everybody how was the Chemistry Unit 1 exam?
mine was ok though i might lose 2-3 marks in Mcq
hey wat did u guys wrote in that question where you have to compare the conductivities of CaCl2 and MgCl2?
mash49:
Hey I was confused about the conductivities, too. i just wrote that Ba ion is more ionic, as it was 1 mark..
And I read a couple of posts about the phys 3b paper, and u people gave the first MC Question 20m? I gave 2000micro, i did some calculations and the current came as .027A, so if we want to get a proper current reading, we should go for the one which goes upto .002, i.e. 2000micro, which would give a reading of the .027A properly.
And did anyone give bio u3b? I couldn't ans. the 4 marks about changing the bibliography...
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