Formulazio inorganikoa eta kontzeptu orokorrak
Quiz
•
Science, Chemistry
•
University
•
Practice Problem
•
Hard
Amaia Morales
Used 2+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Igeltsuaren konposatu nagusiena kaltzio sulfatoa da, baina zein da honen formula kimikoa?
CaS
CaCO3
CaSO6
CaSO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Taula periodikoaren arabera, sodioa (Na)...
Metal bat da
Ez-metala da
Gas noblea da
Aurreko guztiak okerrak dira
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
CO2-a oso ezaguna den konposatu bat da. Baina zein da bere izena?
Karbono monoxidoa
Burdin dioxidoa
Karbono dioxidoa
Ura
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Kaltzio hidroxidoaren formula kimikoa honako hau da:
CuOH
Ca(OH)2
KOH
CaO
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Erreakzio honek zera adierazten du: MgO + CO2 → MgCO3
Magnesio oxidozko mol batek karbono dioxido mol batekin erreakzionatzean, 3 mol magnesio karbonato sortzen dira.
Magnesio oxidozko mol batek karbono dioxido bi molekin erreakzionatzean, magnesio karbonatozko mol bat sortzen da.
Magnesio oxidozko mol batek karbono dioxido mol batekin erreakzionatzean, magnesio karbonatozko mol bat sortzen da.
Aurreko guztiak okerrak dira.
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Zein izango litzateke erreakzio hau adierazteko modu egokiena? Kaltzio karbonatozko mol bat sortzeko, mol bat kaltzio oxido eta mol bat karbono dioxido behar dira.
CaO + CO2 → CaCO3
CaO + CO2 + H2O → CaCO3
CaO + 2 CO2 → CaCO3
Ca(OH)2 + CO2 → CaCO3
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Erreakzio bat doituta badago:
Erreaktibo eta produktuetan agertzen diren elementuen mol kopurua desberdina da.
Erreaktibo eta produktuetan agertzen diren elementuen mol kopurua berdina da.
Erreaktibo eta produktuak berdinak dira.
Aurreko guztiak okerrak dira.
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