Now you Know
12275. Discovery
Vitamin A
Discoverer/Inventor : mc collum and m. davis (u.s.a)
Year : 1913
12276. Discovery
Vitamin B1
Discoverer/Inventor : minot and murphy (u.s.a)
Year : 1936
12277. Discovery
Vitamin C
Discoverer/Inventor : froelich holst (norway)
Year : 1919
12280. Discovery
Western Scientific Therapy
Discoverer/Inventor : hippocrates (greece)
Year : 460-370 bc
12282. Element
Element : actinium
Symbol : ac
Atomic no. : 89
Melting Point (deg c) : 1051
Boiling Point (deg c) : 3198
Discoverer : debierne/giesel (1899/1902)
12283. Element
Element : aluminum
Symbol : al
Atomic no. : 13
Melting Point (deg c) : 660.32
Boiling Point (deg c) : 2519
Discoverer : wohler (1827)
12284. Element
Element : americium
Symbol : am
Atomic no. : 95
Melting Point (deg c) : 1176
Boiling Point (deg c) : 2011
Discoverer : seaborg et al. (1944)
12285. Element
Element : antimony
Symbol : sb
Atomic no. : 51
Melting Point (deg c) : 630.63
Boiling Point (deg c) : 1587
Discoverer : early historic times
12286. Element
Element : argon
Symbol : ar
Atomic no. : 18
Melting Point (deg c) : -189.35
Boiling Point (deg c) : -185.85
Discoverer : rayleigh and ramsay (1894)
12287. Element
Element : arsenic (gray)
Symbol : as
Atomic no. : 33
Melting Point (deg c) : 817
Boiling Point (deg c) : 603
Discoverer : albertus magnus (1250)
12288. Element
Element : astatine
Symbol : at
Atomic no. : 85
Melting Point (deg c) : 302
Boiling Point (deg c) :
Discoverer : corson et al. (1940)
12289. Element
Element : barium
Symbol : ba
Atomic no. : 56
Melting Point (deg c) : 727
Boiling Point (deg c) : 1897
Discoverer : davy (1808)
12290. Element
Element : berkelium
Symbol : bk
Atomic no. : 97
Melting Point (deg c) : 1050 (? form)
Boiling Point (deg c) :
Discoverer : seaborg et al. (1949)
12291. Element
Element : beryllium
Symbol : be
Atomic no. : 4
Melting Point (deg c) : 1287
Boiling Point (deg c) : 2471
Discoverer : vauquelin (1798)
12292. Element
Element : bismuth
Symbol : bi
Atomic no. : 83
Melting Point (deg c) : 271.40
Boiling Point (deg c) : 1564
Discoverer : geoffroy the younger (1753)
12293. Element
Element : bohrium
Symbol : bh
Atomic no. : 107
Melting Point (deg c) :
Boiling Point (deg c) :
Discoverer : armbruster and munzenberg (1981)
12294. Element
Element : boron
Symbol : b
Atomic no. : 5
Melting Point (deg c) : 2075
Boiling Point (deg c) : 4000
Discoverer : gay-lussac and (1808)
My Account / Test History
Nobel Prize
Nobel Prize : Physiology or Medicine
Year : 1902
Name : sir ronald ross
Country : great britain.
.. More >>
Home
My Account
English Test
Verbal Reasoning
GK Quiz
Grammar Test