
BAKAR
Quiz
•
Chemistry
•
7th - 12th Grade
•
Hard
Gordana Kundid
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bakar je najbolji
vodič elektriciteta poslije srebra
vodič elektriciteta poslije zlata
vodič elektriciteta poslije željeza
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Najstariji nađeni bakreni predmeti izrađeni su prije 6000 godina .Takvo doba se zove
željezno doba
zlatno doba
bakreno doba
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bakar je smjesa izotopa dva nuklida s nukleonskim brojevima
63 i 65
63 i 64
64 i 65
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Bakar se može dobiti redukcijom kojih ruda
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Nadopuni sa dvije riječi:Čisti bakar dobiva se iz onečišćenog
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Koji su oksidacijski brojevi bakra u spojevima?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bakar ne reagira sa
koncentriranom dušičnom kiselinom
koncentriranom klorovodičnom kiselinom
koncentriranom sumpornom kiselinom
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