
Kas ir organiskas vielas?
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Laura Martinova
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurš no savienojumiem ir piesātinātais ogļūdeņradis?
C2H2
C3H6
C6H6
C2H6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurš no dotajiem savienojumiem ir propāns?
C3H6
C3H8
C2H6
C4H10
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kura no dotajām vielām ir karbonskābe?
CH3Cl
C2H5OH
CH3COOH
C4H10
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurš no dotajiem ķīmisko reakciju vienādojumiem apraksta ogļūdeņražu nepilnīgu sadegšanu?
CH4 + 2O2 → CO2 +2H2O
C3H8 + 5O2 → 3CO2 +4H2O
C3H8 + 2O2 → 3C +4H2O
2C2H4 + 7O2 → 4CO2 +6H2O
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurā rindā sakārtoti vienas homologu rindas ogļūdeņraži?
CH4; C2H4; C3H8
C2H2; C2H4; C2H6
C3H8; C3H6; C3H14
CH4; C3H8; C5H12
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurš no dotajiem savienojumiem ir etanols?
CH3OH
HCOOH
C2H5OH
CH3COOH
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cik litrus skābekļa nepieciešams, lai sadedzinātu 5 litrus metāna? Degšanas reakcijas vienādojums: CH4 + 2O2 → CO2 +2H2O
2,5
5
10
20
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