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![[Post New]](/templates/default/images/icon_minipost_new.gif) 6 Feb 2008 23:33:21 IST
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hey guys (n gals incl. too), help me out .
I NEED SOME GOOD 1-MARK QUESTIONS FOR BOARDS.... FOR CHEMISTRY...... SO TRY POSTING THEM HERE....... NO NEED OF ANSWERS...... JUST QUESTIONS..............AND I HOPE OTHERS WILL ALSO JOIN IT AND THE FELLOW QUETIONAIRRE WILL BE RIGHTLY SALUTED......
SO LET THE SHOW BEGIN............
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Woods are lovely dark and deep
But i have promises to keep
And miles to go before i sleep
And miles to go before i sleep
" HAVE A NICE DAY "
     
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6 Feb 2008 23:37:23 IST
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MY VERY-VERY-VERY FIRST QUESTION.........
Q. Another name of DACRON??
Q. Monomers of Dacron??
Q. Every nucleotide is linked to other's phosphoric acid group through "its"which C??
(very good question)
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Woods are lovely dark and deep
But i have promises to keep
And miles to go before i sleep
And miles to go before i sleep
" HAVE A NICE DAY "
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6 Feb 2008 23:40:52 IST
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Q--- how does addition of alum purify water?
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<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
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<DIV ALIGN="right">Glitter Graphics</DIV></TD></TR></TABLE>
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6 Feb 2008 23:43:46 IST
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err......... due to coagulation of impurities in water by alum??
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Woods are lovely dark and deep
But i have promises to keep
And miles to go before i sleep
And miles to go before i sleep
" HAVE A NICE DAY "
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6 Feb 2008 23:44:02 IST
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Q---write the structure and IUPAC name of the amide which gives propanamine by hoffmann bromamide rxn?
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<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>
<DIV ALIGN="right">Glitter Graphics</DIV></TD></TR></TABLE>
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6 Feb 2008 23:45:27 IST
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n nxt..
what is name given to sol in which dispersion medium is benzene?(got this in pre-boards)
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<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>
<DIV ALIGN="right">Glitter Graphics</DIV></TD></TR></TABLE>
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6 Feb 2008 23:50:56 IST
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how half life is related to initial conc. for zero order rxn. and for second order rxn.
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6 Feb 2008 23:52:43 IST
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butanamide?? for the first question.....
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Woods are lovely dark and deep
But i have promises to keep
And miles to go before i sleep
And miles to go before i sleep
" HAVE A NICE DAY "
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6 Feb 2008 23:53:46 IST
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which polymer is used as non lubricated bearings,? important one
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6 Feb 2008 23:54:04 IST
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now my turn............
name a semi-permeable membrane used to purify water...........
Answer that without seeing the book first.....
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Woods are lovely dark and deep
But i have promises to keep
And miles to go before i sleep
And miles to go before i sleep
" HAVE A NICE DAY "
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6 Feb 2008 23:55:10 IST
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err... which polymer?? not referring book now... coz have to b confident to give answer any time.... so ... which polymer??
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Woods are lovely dark and deep
But i have promises to keep
And miles to go before i sleep
And miles to go before i sleep
" HAVE A NICE DAY "
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6 Feb 2008 23:55:15 IST
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pratik...for ur first qn
are these the ans
a)terylene
b)eth glycol and terephthalic acid
c)thru the oxygen of the phosphoric acid
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its not just about hard work;its how smart you work. |
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6 Feb 2008 23:56:15 IST
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cellulose acetate
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its not just about hard work;its how smart you work. |
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6 Feb 2008 23:56:33 IST
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