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Kas ir organiskas vielas?

Authored by Laura Martinova

Chemistry

9th Grade

Used 2+ times

Kas ir organiskas vielas?
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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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