Which beverage is is fluorescent in UV light?

Sprite
milk
tonic water
pineapple juice
Tonic water is trans­par­ent in day­light. Under ul­tra­vi­o­let light, the quinine makes it flu­o­res­cent (pic­tured), even though it is present in a neg­li­gi­ble con­cen­tra­tion.

Answers distribution

Sprite
milk
tonic water
pineapple juice
answers
flagCanada
16%
2%
75%
5%
36
flagItaly
14%
3%
74%
7%
27
flagthe Netherlands
20%
6%
70%
3%
30
flagNorway
5%
5%
70%
15%
20
flagIndonesia
8%
0%
66%
25%
12
flagAustralia
12%
9%
65%
12%
32
flagthe Philippines
18%
15%
59%
3%
32
flagMalaysia
9%
9%
59%
22%
22
flagFrance
14%
21%
57%
7%
14
flagUnknown
22%
14%
54%
8%
48
flagRepublic of Ireland
18%
18%
54%
9%
22
flagPakistan
18%
18%
53%
6%
32
flagPoland
20%
14%
52%
12%
7816
flagthe United States
20%
11%
52%
14%
505
flagthe United Kingdom
16%
15%
52%
15%
283
flagIndia
21%
16%
50%
10%
269
flagthe United Arab Emirates
25%
8%
50%
16%
12
flagGermany
20%
14%
49%
14%
99
flagSingapore
16%
16%
41%
25%
12
flagNigeria
36%
18%
40%
0%
22

Gender

men52%
women53%
Sprite
18%
19%
milk
16%
13%
tonic water
52%
53%
pineapple juice
12%
13%

Language versions

question
answers
results
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Which beverage is is fluorescent in UV light?
1289
53%

Details

Author: Luca Biaggi
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