Koji metali se pojavljuju u prirodi u elementarnom stanju? (više točnih odgovora)
1.ET - Tehnički važni metali

Quiz
•
Chemistry
•
9th Grade
•
Medium
Danijela Leko
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25 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
bakar
srebro
magnezij
cink
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Prema gustoći, koji od sljedećih metala spadju u lake metale? (više točnih odgovora)
olovo
živa
aluminij
magnezij
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Prema reaktivnosti metali se dijele na _____________________ i _______________________.
4.
OPEN ENDED QUESTION
30 sec • 1 pt
Navedi barem tri svojstva metala. (3 boda)
Evaluate responses using AI:
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5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Koji uvjeti su potrebni da bi došlo do korozije? (više točnih odgovora)
Sunce
voda
kisik
dušik
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kad se metal spoji s većim blokom metala elektronegativnijeg potencijala - taj način zaštite od korozije se zove.....
galvanizacija
eloksiranje
katodna zaštita
emajliranje
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Svojstvo željeza da nakon djelovanja magnetskog polja postane trajno magnetično zove se....
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