1. When did Wilhelm Ostwald win Nobel Prize for Chemistry?
a) 1903
b) 1905
c) 1909
d) 1907
2. When was Wilhelm Ostwald born?
a) 7 November 1857
b) 5 June 1854
c) 2 September 1853
d) 6 January 1852
3. Where was Wilhelm Ostwald born?
a) Riga
b) Moscow
c) St. Petersburg
d) Warsaw