Koje su samorodne rude?

Kviza o metalima i metalnoj robi

Quiz
•
Science
•
10th Grade
•
Hard
Mateja Fegeš
Used 1+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rude koje sadrže metal vezan uz kisik
Rude koje sadrže metal vezan uz sumpor
Rude koje sadrže metale u elementarnom stanju
Rude koje sadrže samo nečiste metale
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji su metali otporni na koroziju?
Plemeniti metali
Aluminij
Crni metali
Željezo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji postupak se koristi za dobivanje bakra iz rude?
Flotacija
Taljenje
Prženje
Rafiniranje
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji metal se koristi za legiranje čelika i povećava njegovu tvrdoću?
Aluminij
Cink
Kositar
Mangan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji su teški metali?
Aluminij i magnezij
Bakar i olovo
Cink i željezo
Krom i nikal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji je proces dobivanja čelika iz sirovog željeza?
Kovanje
Rafiniranje
Redukcija
Taljenje
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji su glavni sastojci čelika?
Željezo i ugljik
Željezo i mangan
Željezo i nikal
Željezo i cink
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