
Kovy 1
Authored by Jitka Dvořáková
Chemistry
8th Grade
Used 4+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mezi ušlechtilé kovy nepatří :
hořčík
zlato
stříbro
platina
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ve které skupině jsou jen kovy?
vápník, bor, olovo
dusík, železo, chrom
rtuť, brom, hořčík
sodík, cín, hliník
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Alkalické kovy se uchovávají kvůli své reaktivnosti v :
benzenu
lihu
petroleji
vodě
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Který kov je součástí krve?
olovo
vápník
železo
hořčík
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Černání stříbra je způsobeno
sulfidem stříbrným
kyslíkem
vlhkostí
oxidem stříbrným
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