Į kalkinį vandenį (Ca(OH)2 tirpalą) leidžiant CO2 dujas:
10. ANGLIS. SILICIS

Quiz
•
Chemistry
•
3rd - 10th Grade
•
Medium
Vygandas Marozas
Used 42+ times
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tirpalas susidrumsčia, ir nuosėdos išlieka toliau leidžiant dujas
Tirpalas nusidažo avietine spalva
Tirpalas susidrumsčia, ir nuosėdos ištirpsta toliau leidžiant dujas
Neįvyksta nieko
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Anglies junginiuose, kaip, pavyzdžiui, CO2, CH4, CO, ryšys yra:
Kovalentinis polinis
Joninis
Kovalentinis nepolinis
Koordinacinis
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Deimantas ir grafitas yra:
Izomerai
Izotopai
Alotropinės atmainos
Homologai
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kurioje eilutėje pavaizduotos žaliavos stiklo gamybai?
SiO2, NaOH, K2O
SiO2, Na2CO3, CaCO3
KHCO3, NaHCO3
NaHCO3, SiO2, CO2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Silicis yra:
Puslaidininkis
Superlaidininkas
Izoliatorius
Laidininkas
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Stiklas yra:
Amorfinė medžiaga
Gali būti įvairiai
Kristalinė medžiaga
Nei kristalinė, nei amorfinė
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kaip vadinamos silicio rūgšties druskos?
Silikatais
Silidais
Silicidais
Silikonais
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