
IV. főcsoport
Authored by Niki Győri
Chemistry
11th - 12th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Milyen kémhatású a nátrium-karbonát?
savas
lúgos
semleges
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Három kémcsőben ismeretlen sorrendben sósav, szénsav, salétromsav található. Mivel tudnád elkülöníteni?
indikátor
réz és vas
mészkő és vas
szódabikarbóna és vas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Miért vezeti a grafit az elektromos áramot?
lokalizál elektronok miatt
delokalizált elektronok miatt
atomrács miatt
mert a szén 4 vegyértékű
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melyik gáznál kell vérátömlesztést alkalmazni?
CO2
SO2
H2
CO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Miből lesz közvetlenül a cseppkő?
CaCO3-ból
SiO2-ből
Ca(HCO3)2-ből
H2CO3-ból
CaHCO3-ból
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milyen reakció a mészégetés?
endoterm
exoterm
redoxi
savbázis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Miben nylődik el fehér csapadékként a CO2?
NaOH
Ca(HCO3)3
KOH
Ca(OH)2
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