div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader040fdocumentpubreader040viewer2022011923605e49cc02a6c17afe4a911chtml5page1jpg target=_blank img data-url=documentteachingbd24-aqueous-solution-of-formaldehyde-hcho-this-is-really-active-inhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Teachingbd24 - WordPresscom€¦ · aqueous solution of formaldehyde HCHO This is really active in killing bacteria and fungi Formalin is used to store dead bodies biology laboratory loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentpubreader040viewer2022011923605e49cc02a6c17afe4a911chtml5thumbnails1jpg width=140 height=200 adivphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadiv div class=annotationa href=https:teachingbd24com rel=ugc nofollow target=_blankhttps:teachingbd24comadivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader040fdocumentpubreader040viewer2022011923605e49cc02a6c17afe4a911chtml5page2jpg target=_blank img data-url=documentteachingbd24-aqueous-solution-of-formaldehyde-hcho-this-is-really-active-inhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Teachingbd24 - WordPresscom€¦ · aqueous solution of formaldehyde HCHO This is really active in killing bacteria and fungi Formalin is used to store dead bodies biology laboratory loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentpubreader040viewer2022011923605e49cc02a6c17afe4a911chtml5thumbnails2jpg width=140 height=200 adivphttps:teachingbd24comp pTeachp pingbd24p pcomp div class=annotationa href=https:teachingbd24com rel=ugc nofollow...