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How long (time) does it take for 1.60 g of copper to be deposited?
IN WHICH YEAR IS THI QUESTION
2004 - 2010
coz u have to look at the tests given in particular d part.Which is a test for presence for chlroide.So u have to draw conclusion by looking at the relveant test and thus state tht so.
is the answer b?
i think its "A" acid can not be oxidised.......
For which q?
He gets frightened or shocked so adrenaline is secreted which causes the heart to pump faster so that oxygen and glucose could go faster to the muscles..
The curve is excellent but since the first point starts from 5 cm^3, don't we have to start fromt there and not from (0,14)?http://papers.xtremepapers.com/CIE/Cambridge International O Level/Chemistry (5070)/5070_w12_qp_42.pdf
Question 10. Part A
Is the graph supposed to be like this?
0.011 moles of iron (II) sulfate combine with 0.075 moles of water
Thanks!
No you have a conceptual error. Decreasing the conc. in this case will mean that less products will be formed. HCl is already the limiting reactant, and if we further decrease its conc. it will quickly finish, and less products will be formed
I extended the curve.
that's absolutely fine but if you see they've mentioned powdered zinc(Q) instead of zinc peices .. Q should finish earlier than P
multiply partD's answer with 5 .u'l get ur answer
There are 0.000446 moles of KMnO4 in G
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