
Nekovy
Authored by Elen Štorková
Chemistry
8th Grade
Used 8+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dusík je za normálních podmínek
plyn
pevná látka
kapalina
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
V chladících zařízeních v potravinářském průmyslu se používá
kapalný kyslík
kapalný dusík
kapalný vodík
kapalný brom
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Molekula dusíku je
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Všechny halogeny tvoří
pětiatomové molekuly
čtyřatomové molekuly
tříatomové molekuly
dvouatomové molekuly
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
K dezinfekci pitné vody se používá
fluor
chlor
brom
jod
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Při výrobě zubních past a plastu teflonu se používá
fluor
chlor
brom
jod
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
K výrobě léčiv (kapky proti kašli) se používá
fluor
chlor
brom
jod
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