A neutron walks into a restaurant and orders a seven-course dinner. When she's finished eating, she asks the waiter how much she owes.

The waiter replies, "For you, No Charge!"


Video: Hydrochloric Acid

It's a very dangerous acid, and yet it's found in our stomachs and helps us digest food! Let's know more about hydrochloric acid.

In this video, Prof. Martyn Poliakoff of the University of Nottingham, UK and his associates explain and demonstrate the many uses of hydrochloric acid:

(Video titled periodicvideos | April 13, 2010 | We take a look at one of the most famous acids - Hydrochloric Acid - which is used commonly in labs and found in our stomachs" sourced from http://www.youtube.com/watch?v=U6viBSkLkSk)



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