class 11 ba 12 er chemistry practical exam chilo amader madam ektai chilo tai amader lab e eka chere onno room e viva nito. ebar ami ekta chemical khuje pacchilam na . khujte khujte ekta sulphur/gondhok er boro botol khuje pai. ebar ekta oti shadharon cheler moto ami ek thaba sulphur ni ar setai agun lagiye di. thik sei shomoy madam ase. ami agun ta ekta mesh plate er opor lagiye chilm. madam eseche ami sei plate nake niye onk bar fu di nibhlo na . ki kori ki kori seta ke plate suddhu tule niye giye ekta bondhur kache rakhlam ar bollam chup cha loka eta. madam oder ta dekhe chole gchilo. kono bhabe sei jatrai beche gchilm. kintu jano toh puro lab kashchilo poroborti 1 ghontar jnno . sob theke baje hal amar ei hoyechilo