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
14%
2%
77%
5%
35
flagItaly
16%
0%
75%
8%
24
flagthe Netherlands
22%
3%
74%
0%
27
flagNorway
5%
5%
70%
15%
20
flagAustralia
12%
9%
65%
12%
32
flagMalaysia
9%
9%
59%
22%
22
flagthe Philippines
20%
16%
56%
3%
30
flagRepublic of Ireland
20%
15%
55%
10%
20
flagPakistan
19%
19%
54%
3%
31
flagPoland
20%
14%
52%
12%
7322
flagthe United Kingdom
15%
14%
52%
15%
269
flagthe United States
21%
11%
51%
14%
481
flagIndia
21%
17%
50%
9%
246
flagGermany
20%
13%
50%
14%
90
flagthe United Arab Emirates
25%
8%
50%
16%
12
flagSingapore
10%
10%
50%
30%
10
flagUU
33%
14%
38%
14%
21
flagNigeria
50%
12%
37%
0%
16

Gender

men51%
women53%
Sprite
19%
19%
milk
16%
13%
tonic water
51%
53%
pineapple juice
12%
13%

Language versions

question
answers
results
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Which beverage is is fluorescent in UV light?
1214
53%

Details

Author: Luca Biaggi
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