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Ranjita asks : or tautomerism to occur , atleast one alpha hydrogen must be acidic?? what alpha hydrogen & acidic hydrogen means here & how multiple bond on cyclocompounds reduce acidic character of hydrogen???plzzz..explain. 
Category : Class XI |  On : 2012-02-19 11:14:03
 
Mehul says :
03/03/2012 10:36:51
The hydrogen attached to the alpha carbon is alpha hydrogen and the alpha carbon is the carbon that is just next to the functional group
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Apeksha modi asks : if one coin is tossed twice then what is the probability of getting atleast one head? explain 
Category : CBSE |  On : 2012-02-04 12:58:00
 
Mithun cm says :
07/02/2012 07:01:32
total 4 outcomes, out of which 1st toss can be head or 2nd toss can be head or both coins show head.................. so 3/4
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Charming asks : i need list of means of communication in ancient tyms n the present wrld.. 8 means atleast.. sm bdy help.. 
Category : CBSE |  On : 2011-04-13 07:22:50
 
20/04/2011 05:01:42
in ancient times it was letter and in modern world there are:telephone/mobiletelevisionnewspaperyou can also write "internet"
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Surya teja asks : which r the top colleges in INDIA for AIEEE ,ATLEAST TOP 20 I NEED ,please tell me?????????????????? 
Category : Class XII |  On : 2011-01-02 08:35:50
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Kartikeya negi asks : an exam has 150 objective questions with each question carrying 4 options.Find the no. of ways one can attempt the paper such that atleast 2 questions are answered. a)5* 150- 151 b)5*150-601 
Category : MBA Entrance |  On : 2010-10-05 02:43:42
 
06/10/2010 01:11:48
5*150-151 ther r 4 option+1 chance that d quest can b left unattempted... so 5 cases x 150 questions - 151
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