ai dan passpapers thiyana poth wikunan nadda.kamak na ithin kohen hari ussala post karana eka lesiyne ne![]()



mama me tread ekata aye enna


ai dan passpapers thiyana poth wikunan nadda.kamak na ithin kohen hari ussala post karana eka lesiyne ne![]()



mama me tread ekata aye enna


mama me tread ekata aye enna
![]()

mokakda kiwweman oyaata wada auruddak wadimal athi harida enna epa oowata
![]()
man honda deyak post karala thiyenne.oyaala thamai wadakata nathi dewal kiyawanne.
oyaalage experiences,wadagath short notes methana post karanna.man danata godak type karala daala thiyenawa.oyaalath support ekak denna.harida malli
monawada

me dana ewa videos widihata balanna puluwan wenna danna
views wadinam youtube eken gewanawa
http://www.youtube.com/watch?v=rltpH6ck2Kc&list=UU6nSFpj9HTCZ5t-N3Rm3-HA
megollo masekata million ganan hamba karanawa youtube ekenma.
sinhala nisa audience eka adui habai![]()
aa nitro.
mama yanthranaya adaa baluwa
para nitro aniline neda machan?
para eke electrone cloud eka hodata wisthanagatha wenawa. yana H+ eka nathuwa hodata inna puluwan meta ekata wadaa![]()
m-nitroaniline wala wadi.
aniline ortho para yomukarakayak nisa p-nitroaniline wala nitro kandaya sidu karana electron akarashanaya m-nitroaniline waladi karana akarshanayata wada wadi. eka nisa p-nitroaniline wala N matha thiyena ekasara electron yugala wedipura samprayukthathawata daayaka wenawa. ethakota H+ ion ekakata electron yugala pradaanaya kireeme hakiyawa adu wenawa.
meta nitro anilyn wala bashmikathaawa wadi.








thankz... machanla..
mewa mathaka thiyaganna
giyama petalenawa wage![]()
ow sir politics gana kiyanawa thama.ehema year eka kiwwama mage wayasa ahuwenawane.man 2012 kare palaweni paara nemei
oya nishshanka sir ge yanawada?

හා හා.. දැන් නාඬ ඉන්න...kawda angata kadan panne.man kiwwe mage waradda.mata nikan inna barikamata thamai delete kare.
oya waradi widihata therun aranne mottayo.me dawas wala upset eken inne.maawa thawath upset karanna apa![]()

thankz... machanla..
mewa mathaka thiyaganna
giyama petalenawa wage![]()
mata nam sir kiyanakota mataka hitiya. hama ekama ekin eka mataka tiyaganna ona na bn. anilin wala bensin walaye electrona wala sakriya karana ewai wikriya karana ewai tikak mataka tiyagattama hari mata nam.
bump kukul. shishyathwe prathipala kiiyatada danna enne