Pages

▼

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.
at

5 comments:

  1. ArvindJanuary 26, 2010 at 8:52 AM

    Hall and Heroult- Aluminium.

    ReplyDelete
  2. SharanJanuary 26, 2010 at 11:33 AM

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

    ReplyDelete
  3. Gaurav RadhakrishnanJanuary 26, 2010 at 12:01 PM

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

    ReplyDelete
  4. KaushikJanuary 26, 2010 at 7:53 PM

    Charles Martin Hall and Paul Heroult

    ReplyDelete
  5. Rijo P.January 27, 2010 at 1:05 AM

    aluminium ofcourse

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

    ReplyDelete