Jan
29
awarded  Nice Question
Dec
25
awarded  Nice Question
Nov
29
awarded  Nice Question
Dec
10
awarded  Nice Question
Dec
5
awarded  Nice Question
Oct
11
awarded  Nice Question
Apr
26
awarded  Nice Question
Jan
24
awarded  Nice Question
Jan
4
awarded  Nice Question
Dec
4
awarded  Nice Question
Nov
30
awarded  Nice Question
Nov
18
awarded  Upholder
Nov
11
awarded  Nice Question
Aug
31
awarded  Filibuster
Aug
23
awarded  Radical
Aug
23
comment Chemistry: Why do solid substances have different colours? What determines their colours?
Duplicate / generalization of the "why is gold yellow and copper red?" question.
Aug
18
awarded  Lobbyist
Aug
17
awarded  Commentator
Aug
13
awarded  Centrist
Aug
13
comment Chemistry: How does soap make dirt/oils wash away in water?
So, the action of lipids as emulsifiers is popular natural science, but mentos in diet coke is advanced level chemistry?
Aug
13
awarded  Citizen Patrol
Aug
13
revised Chemistry: What are the basic safety rules for storing chemicals at home, garage, classroom, etc.? (Is it OK to store X in the same cabinet as Y?)
edited title
Aug
13
proposed question Chemistry: How does soap make dirt/oils wash away in water?
Aug
13
comment Chemistry: Why is alcohol often a better solvent for organic compounds than water?
Thinking specifically of essence extraction and distillation: flavoring extracts (vanilla, orange, etc) are almost always alcohol based.
Aug
13
proposed question Chemistry: Why is alcohol often a better solvent for organic compounds than water?
Aug
13
awarded  Editor
Aug
13
proposed question Chemistry: Why does 1 cup of water + 1 cup of alcohol produce less than 2 cups of solution?
Aug
12
awarded  Caucus
Aug
5
proposed question Chemistry: What are the basic safety rules for storing chemicals at home, garage, classroom, etc.? (Is it OK to store X in the same cabinet as Y?)
Aug
5
proposed question Chemistry: What is the chemical process used to refine raw (brown) sugar to produce white sugar?