Which element is blue in liquid state?
hydrogen
nitrogen
oxygen
helium
Liquid oxygen has a pale blue color and is strongly paramagnetic. The first measurable quantity of liquid oxygen was produced by Polish professors Zygmunt Wróblewski and Karol Olszewski (Jagiellonian University in Kraków) on April 5, 1883.
reach: rather globalchemical elementschemistryscience
Answers by country
hydrogen
nitrogen
oxygen
helium
answers
France
17
the Netherlands
15
Australia
84
Vietnam
13
Poland
3016
Canada
33
Austria
85
Malaysia
16
Germany
486
the United States
287
the United Kingdom
169
Greece
21
India
532
Switzerland
36
Republic of Ireland
16
Nigeria
117
the Philippines
45
Ghana
26
Singapore
20
Pakistan
53