Koks metalas laikomas kilniuoju metalu dėl savo mažo reaktyvumo?
Aukso savybės ir paplitimas

Quiz
•
Others
•
10th Grade
•
Hard

Adas Adomenas
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sidabras
Auksas
Varis
Geležis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Su kuo auksas nereaguoja?
Deguonimi
Vandeniu
Rūgštimis
Visi aukščiau išvardinti
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks yra auksas (I) chlorido cheminis simbolis?
AuCl
AuCl₃
AuCN
AuO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurie metodai naudojami aukso išgavimo procesuose?
Elektrolizė
Katalizatoriai
Plovimas
Cianidacija
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kur yra didžiausi aukso telkiniai?
Brazilijoje
Kanadoje
Pietų Afrikoje
Indijoje
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kiek aukso yra žmogaus kūne?
0,1 miligramo
0,2 miligramo
0,5 miligramo
1 miligramas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kiek tonų aukso buvo išgauta iki šiol?
500 000 tonų
244 000 tonų
1 000 000 tonų
100 000 tonų
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