question edit history translations

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

4

Chris Brown wikipedia → Aqua regia

chemistrylegendsphysics

Legends quiz Physics quiz Chemistry quiz

You will play as

Answers by country

Austria

61%

15%

7%

14%

92

the Netherlands

53%

19%

3%

23%

26

Poland

52%

16%

10%

19%

6134

India

52%

24%

8%

13%

647

Germany

51%

18%

11%

17%

540

Switzerland

50%

19%

19%

10%

46

Ghana

44%

20%

16%

20%

25

Pakistan

42%

22%

13%

21%

61

Australia

41%

20%

18%

17%

81

Nepal

41%

16%

8%

16%

12

the United Arab Emirates

38%

38%

23%

0%

13

Canada

30%

33%

11%

22%

36

the United Kingdom

29%

33%

14%

20%

192

Nigeria

29%

28%

18%

23%

100

Malaysia

25%

34%

6%

34%

32

the United States

22%

35%

13%

27%

268

Singapore

21%

57%

0%

21%

14

the Philippines

18%

32%

18%

27%

58

Greece

18%

13%

27%

36%

22

Republic of Ireland

17%

52%

5%

23%

17

How do baby birds get oxygen inside their eggs?

They have a large oxygen supply from the start

Oxygen is created during protein reduction

Oxygen comes in through pores in the shell

They don't need oxygen at all

When is the Eiffel Tower the highest?

Does the candle burn more or less violently in zero gravity?

The Japanese figurine that depicts a cat beckoning with an upright paw is called...