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displacement

Ask questions of CBSE Class X and discuss the same here. For any doubts relates to CBSE Class X.

displacement

Postby aparnapm » Wed Mar 26, 2008 7:22 pm

hw much time does it take for Fe to replace Cu from CuSO4?
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Re: displacement

Postby karthick » Wed Mar 26, 2008 7:25 pm

i think u can take anythin n range of 1 to 3 hrsgenerally for all displacement reactions ...
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Re: displacement

Postby aparnapm » Wed Mar 26, 2008 7:26 pm

thnks!
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Re: displacement

Postby karthick » Wed Mar 26, 2008 7:31 pm

i had 1 question like this ...they gave substantial difference between the options like 1 was 1 minute 2 was 1 hr then was 8 hs ...and 1 day....so i think 1 to 3 hrs shd be right
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Re: displacement

Postby aparnapm » Wed Mar 26, 2008 7:31 pm

ya...
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Re: displacement

Postby razor » Wed Mar 26, 2008 7:33 pm

When we did the experiment in the school lab, we saw the results in about 45 minutes. So I guess anything close would be correct.
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Re: displacement

Postby bcappu » Wed Mar 26, 2008 7:36 pm

razor wrote:When we did the experiment in the school lab, we saw the results in about 45 minutes. So I guess anything close would be correct.


it think it takes 2-3 hrs
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Re: displacement

Postby supershiva » Wed Mar 26, 2008 8:27 pm

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Re: displacement

Postby naman » Wed Mar 26, 2008 8:45 pm

but i saw de result insatnly
i ws doing de praktikal exam
and de result came in like 5min
de iron got brown coating and sol ws green : :roll:
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Re: displacement

Postby bcappu » Wed Mar 26, 2008 9:07 pm

naman wrote:but i saw de result insatnly
i ws doing de praktikal exam
and de result came in like 5min
de iron got brown coating and sol ws green : :roll:


must have used conc.CuSO4
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