Metali - ekonomist
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Olivera Tadić
Used 9+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metali se nalaze na desnoj strani PSE
točno
netočno
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zemnoalkalijskim metalima nazivamo:
1.skupinu metala u PSE
2.skupinu metala u PSE
3.skupinu metala u PSE
ništa od navedenog
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalcij je najzastupljeniji metal u ljudskom organizmu
točno
netočno
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nalazimo li kalcij u prirodi u elementarnom stanju?
vrlo je nereaktivan pa ga nalazimo u elementarnom stanju
vrlo je reaktivan pa ga nalazimo samo u spojevima
ništa od navedenog
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koji je najzastupljeniji metal u Zemljinoj kori?
bakar
željezo
aluminij
kalcij
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nereaktivni metali su:
kalcij, zlato, bakar
zlato, cink, aluminij
zlato , srebro, bakar
ništa od navedenog
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cao + H2O → Ca(OH)2
U gornjoj reakciji nastali produkt se zove
kalcijev karbonat
kalcijev hidroksid
kalcijev oksid
kalcijev karbid
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