Vzácne plyny a halogény
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Maria Kubandova
Used 9+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ktorý halogén sa používa na ochranu pred vznikom zubného kazu?
chlór
fluór
bróm
jód
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na dezinfekciu povrchových poranení sa používa roztok:
brómu
astátu
jódu
fluóru
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vyber možnosť, kde sú uvedené iba vzácne plyny:
He, Ne, Ar, Kr
H, Ne, Ar, Kr
He, Ne, Ag, Kr
F, Cl, Br, I
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rádioaktívny vzácny plyn je:
argón
astát
radón
hélium
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bieliace a dezinfekčné účinky má:
astát
chlór
fluór
bróm
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vyber možnosť, kde sú uvedené iba halogény (fluór, chlór, bróm, jód) :
F, Cr, Br, I
F, Cl, Br, I
He, Ne, Ar, Kr
F, Cl, B, I
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hélium sa NEPOUŽÍVA na:
raketový pohon
náplň do balónov
na superochladenie
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