Which of the following is not a chemical element?

iridium
limestone
tungsten
tin
Iridium, tungsten and tin are chemical el­e­ments. Lime­stone is a common sed­i­men­ta­ry rock composed mainly of skeletal frag­ments of marine or­gan­ism­s.

Answers distribution

iridium
limestone
tungsten
tin
answers
flagFinland
0%
95%
4%
0%
49
flagthe United Arab Emirates
2%
91%
2%
4%
48
flagthe Philippines
5%
90%
5%
0%
20
flagCanada
3%
88%
3%
3%
27
flagthe United States
4%
82%
4%
7%
339
flagIndia
7%
80%
5%
4%
148
flagItaly
2%
80%
15%
2%
40
flagGreece
4%
80%
9%
4%
21
flagFrance
5%
77%
16%
0%
18
flagSingapore
11%
76%
5%
5%
17
flagthe United Kingdom
7%
75%
6%
9%
383
flagthe Netherlands
7%
75%
9%
7%
54
flagNorway
6%
75%
18%
0%
16
flagRepublic of Ireland
2%
74%
10%
12%
39
flagAustralia
20%
70%
0%
5%
20
flagSweden
15%
70%
5%
10%
20
flagSpain
5%
68%
5%
21%
19
flagPoland
14%
67%
9%
8%
11020
flagGermany
8%
67%
12%
11%
154
flagUnknown
25%
47%
15%
11%
1061

Gender

men63%
women75%
iridium
17%
9%
limestone
63%
75%
tungsten
10%
8%
tin
8%
5%

Language versions

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answers
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Which of the following is not a chemical element?
779
78%

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Author: globalquiz.org
Illustration: Iqbal Osman
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