Test- halogeny
Authored by Jana Kučerová
Chemistry
3rd Grade
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vyberte kolika % je kyselina chlorovodíková
96-98%
56%-58%
36-38%
8%
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Napište produkty reakce: chlór + vodík -> ___________
Evaluate responses using AI:
OFF
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jód je součástí
žaludeční šťávy
součástí střeva
kostí a zubů
štítné žlázy
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Objasněte, proč se kyselina fluorovodíková uchovává v plastových láhvích?
Evaluate responses using AI:
OFF
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Která látka je součástí SAVA?
NaCl
NaClO2
NaClO
NaClO3
6.
OPEN ENDED QUESTION
3 mins • 1 pt
Uveďte rovnici chlorování vody a na dané rovnici objasněte, proč se používá chlór jako dezinfekce
Evaluate responses using AI:
OFF
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Jak se nazývá způsob výroby chlóru uvedený pomocí rovnice H2 + Cl2
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