Which metal is resistant to all acids?

Gold
Silver
Platinium
Tantalum
Noble metals such as gold, pla­tini­um and pal­la­di­um can be dis­solved in aqua regia, a highly con­cen­trat­ed mixture of hy­drochlo­ric acid and nitric acid. Silver is soluble in pure nitric acid. Ruthe­ni­um can be dis­solved in aqua regia only when in the presence of oxygen, while rhodium must be in a fine pul­ver­ized form. Niobium and tantalum are re­sis­tant to all acids, in­clud­ing aqua regia.

Answers distribution

Gold
Silver
Platinium
Tantalum
answers
flagFinland
6%
6%
6%
81%
16
flagFrance
6%
0%
13%
80%
15
flagthe United Arab Emirates
0%
0%
27%
72%
11
flagGermany
14%
2%
14%
70%
50
flagAustralia
25%
8%
0%
66%
12
flagCanada
28%
0%
14%
57%
14
flagthe United Kingdom
17%
2%
23%
56%
119
flagUU
21%
0%
26%
52%
19
flagPoland
15%
3%
29%
51%
3629
flagthe Netherlands
25%
0%
25%
50%
12
flagthe United States
16%
6%
29%
46%
101
flagIndia
32%
12%
34%
18%
49

Gender

men58%
women55%
Gold
13%
13%
Silver
2%
2%
Platinium
25%
29%
Tantalum
58%
55%

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Which metal is resistant to all acids?
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37%

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Author: Sumit Tamang
Illustration: webtreats
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