What is "Aqua regiaor"?

a mixture of two acids
water with the addition of a small amount of gold
the mythic substance that the alchemists wanted
hydrated gold oxide
Aqua regiaor ("king's water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals.
M
0
Correct this question
4
Very interesting!
reach: rather globalchemistrylegendsphysics

Answers by country

a mixture of two acids
water with the addition of a small amount of gold
the mythic substance that the alchemists wanted
hydrated gold oxide
answers
flagAustria
69%
8%
8%
13%
36
flagthe Netherlands
58%
23%
5%
11%
17
flagIndia
55%
23%
7%
12%
484
flagSwitzerland
55%
5%
16%
22%
18
flagGermany
51%
18%
10%
19%
190
flagPoland
50%
17%
11%
20%
4842
flagAustralia
49%
16%
19%
14%
61
flagPakistan
46%
23%
12%
17%
47
flagNepal
41%
16%
8%
16%
12
flagNigeria
35%
16%
13%
32%
37
flagMalaysia
32%
28%
4%
36%
25
flagCanada
31%
18%
18%
25%
16
flagthe United Kingdom
28%
33%
16%
21%
112
flagGreece
23%
11%
29%
35%
17
flagthe United States
20%
40%
10%
28%
168
flagthe Philippines
17%
36%
15%
28%
46
flagRepublic of Ireland
9%
63%
9%
18%
11