Monday, January 25, 2010

QUESTION 120




X

Y


X AND Y SIMULTANEOUSLY DESIGNED A METHOD OF PRODUCTION FOR A CERTAIN METAL. NAPOLEON III IS SAID TO HAVE HAD A DINNER SET MADE OF THIS METAL FOR HIS MOST HONOURED GUESTS. BUT X AND Y'S METHOD MADE THIS METAL ONE OF COMMON USE. IDENTIFY X AND Y.

5 comments:

Arvind said...

Hall and Heroult- Aluminium.

Sharan said...

dude, charles hall and paul heroult, the hall-heroult process for the extraction of alumin ium, aithal told about this in his last class

Gaurav Radhakrishnan said...

The metal is aluminium. X is Charles Martin Hall and Y is Paul Heroult.

Kaushik said...

Charles Martin Hall and Paul Heroult

Rijo P. said...

aluminium ofcourse

http://en.wikipedia.org/wiki/Charles_Martin_Hall
http://en.wikipedia.org/wiki/Hall-H%C3%A9roult_process