Süsinik ja süsinikuühendid

Quiz
•
Chemistry
•
9th Grade
•
Medium
Lisete Žvirblis
Used 37+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuidas nimetatakse ühe ja sama keemilise elemendi esinemist mitme lihtainena?
Allotroopia
Assotsiatsioon
Adsorptsioon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millisel kujul leidub looduses süsinikku?
Ainult lihtainena
Ainult ühendite koostises
Nii lihtainena kui ka ühendite koostises
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Milline reaktsioonivõrrand kirjeldab loodusliku gaasi (maagaasi) põhikomponendi põlemist?
2CO + O2 --> 2CO2
CH4 + 2O2 --> CO2 + 2H2O
C + O2 --> CO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kus kasutatakse süsinikdioksiidi?
Toiduainetööstuses
Metallide tootmisel maakidest
Pliiatsisüdamikes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline gaas on õhust raskem?
metaan
süsinikdioksiid
süsinikoksiid
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Milline aine EI OLE polümeerne?
tekstiil nailon
plastmass polüstrüeen
kütus metaan
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Karboksüülhape
1)
3)
5)
8)
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