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Sumit dangi asks : what is 7 SI units in physics.  
Category : Class XI |  On : 2012-05-09 04:27:00
 
Sumit dangi says :
11/05/2012 04:12:16
what is electrons, proton, neutron, meson, Defination
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Kushashwa ravi shrimali asks : Prove that : tan225cot405 + tan765cot675 = 1 * here 225 , 405 , 765 and 675 are in degrees  
Category : Class XI |  On : 2012-03-28 05:06:18
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Alia kapoor asks : What is meant by gram equivalent weight of the element ? Give example 
Category : Class XI |  On : 2012-02-24 11:12:25
 
Neha says :
25/02/2012 11:31:43
gram equivalent wt.=molecular wt. per valence. no. of gram equivalent wt=no. of moles x valence
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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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Ranjita asks : A body of mass 2kg is lying on a rough inclined plane of inclination 30degree.Find the magnitude of force parallel to incline needed to make block move (a) up the incline (b) down the incline.cofficient of static friction=0.2 
Category : Class XI |  On : 2012-02-16 02:16:36