Ammonia Fountain 

Sir very nice video.

REALLY AMAZING AMMONIA FOUNTAIN I LIKE IT

Its cool can u plz explain in detail of ammonia

Thanku sirr... this is really helpful....

Thank u so much I wanted to visualise this

Superb

thank you sir and ma'am!!!!!!!

very useful thank you

What we have to do if I want green colour ?

Is hee Sir ratan tata

😛

Too much teacher student things.Should focus on showing experiment.