Proizvodnja i svojstva metala

Quiz
•
Instructional Technology
•
7th Grade
•
Hard
Marjana Radonić
Used 27+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Zajednička svojstva svih metala su :
dobro provode toplinu
imaju malu gustoću
dobro provode električnu struju
su otporni na hrđu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zaokruži materijal koji nije metal već legura
zlato
bronca
željezo
bakar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Najpoznatija legura željeza je:
mjed
bronca
čelik
kositar
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Željezo se proizvodi taljenjem:
koksa
troske
sirovog željeza
željezne rude
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bronca je legura bakra i:
cinka
kositra
ugljika
željeza
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nehrđajući čelik naziva se još:
mjed
krom
kositar
prokrom ili inox
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Troska je naziv za:
ostatke rastaljene željezne rude
vrstu ugljena koji se koristi za taljenje željeza
rudu željeza
leguru željeza
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