Kovy 3
Quiz
•
Chemistry
•
8th Grade
•
Medium
Petra Horáková
Used 16+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Který prvek nepatří mezi alkalické kovy?
H
Na
K
Li
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Vyber, která vlastnost nepatří alk. kovům.
silně reaktivní s vodou
kujné
malá hustota
měkké
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Jakou barvu má kation sodíku v plamenu?
červenou
žlutou
fialovou
zelenou
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Fialovou barvu v plamenu má:
Li +
Na +
K +
Rb +
5.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Který kov se vyskytuje v rudě zvané galenit?
6.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Stříbro se vyskytuje v rudě zvané:
7.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Vyber použití sodíku:
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