BAKAR

BAKAR

7th - 12th Grade

10 Qs

quiz-placeholder

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BAKAR

BAKAR

Assessment

Quiz

Chemistry

7th - 12th Grade

Hard

Created by

Gordana Kundid

Used 3+ times

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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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