Chemistry experiment 21 - Blue bottle

[@elifm.zeyveli6873]

you should add some music no sound is a little boring

[@seethalekshmie1341]

is it add only methylene blue or any indicator in blue bittle expt?

[@lakhdevsingh4028]

What is consentration

[@lakhdevsingh4028]

What is consentrations of material used here I really want to know

[@ultrondm3299]

Amazing! I subscribed you!

[@techhacker3377]

great man!! :)

[@nretful]

good

[@beebertube6623]

Wow

[@improbabile]

Scioglimi le medicine gay sono Biagio di balsamo e fratelli Biagio di balsamo sono prestigiato con la giocoleria in 19 almeno