Mis on põlemine?

Süsinik, Põlemine ja selle keemilised reaktsioonid

Quiz
•
Science
•
9th Grade
•
Medium
Cristina Kaska
Used 3+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Keemiline reaktsioon
Füüsiline protsess
Aeglane keemiline reaktsioon
Bioloogiline lagunemine
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mis on põlemisel tekkivad saadused?
vesinik ja lämmastik
vesi ja süsi
hapnik ja vesinik
süsinikdioksiid ja vesi
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kuidas saab põlemist kiirendada?
Temperatuuri langetamisega
Õhu kättesaadavuse vähendamisega
Vee lisamisega
Hapniku kättesaadavuse suurendamisega
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kuidas mõjutab temperatuur põlemist?
Madalam temperatuur soodustab põlemist.
Külm temperatuur soodustab põlemist.
Kõrgem temperatuur soodustab põlemist.
Temperatuur ei mõjuta põlemist.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Milline oksiid on tuntud kui vingugaas?
CO2
CO
H20
CaO
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Metaani valem
CH
CH2
CH3
CH4
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Mitu kovalentset sidet moodustab süsinik grafiidis?
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