Oxygen 7


Oxygen 7 : A nonmetallic element, symbol O. Colourless, odourless gas which supports combustion and is essential for the respiration of most forms of life. It is manufactured from liquid air and used for hot welding flames, in steel manufacture, in medical practice, and in anaesthesia. Liquid oxygen is used in rocket fuels; mixed with charcoal, sawdust, etc. it forms a powerful explosive. (Chambers)
No records Found
afaatim.com copyright © April 2016 Dr.K.R.Kamaal. All rights reserved