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![[Post New]](/templates/default/images/icon_minipost_new.gif) 27 Mar 2007 22:55:33 IST
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1) borax bead test is not given by.................. a)Cu salts b)Al salts c)Ni salts d)Mg salts 2)Diphenylamine reagent gives a deep blue colour with a sol. it contains a) Sn2+ b)Pb2+ c)NO3- d)Fe3+
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27 Mar 2007 22:59:02 IST
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wats the ans of 1st
is it b.d
2nd's c,d
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I always like to walk in rain as no one can see me crying there :(
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27 Mar 2007 22:59:44 IST
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u r correct
plz can u explain
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27 Mar 2007 23:02:28 IST
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see yaar
2nd qs as NO3- and Fe3+ are oxidising , therefore they will oxidise Diphenylamine giving deep blue colour
1st qs as Al and Mg salts are colourless , so they will not give that test
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I always like to walk in rain as no one can see me crying there :(
frnds are like diamonds , if u hit them , they don't break but they slip frm ur hands
-----It is better to be hated for what you are than to be loved for what you are not.----
*****wen love and skill work together--expect a masterpiece*****
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28 Mar 2007 14:14:21 IST
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wots d ans 2 d 1st? i thnk its d or b which is d ryte 1?
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LOOKING 4 A SKY BEYOND D SKIES!! |
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28 Mar 2007 14:49:36 IST
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hey i hav given the ans
both are correct
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I always like to walk in rain as no one can see me crying there :(
frnds are like diamonds , if u hit them , they don't break but they slip frm ur hands
-----It is better to be hated for what you are than to be loved for what you are not.----
*****wen love and skill work together--expect a masterpiece*****
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