Anglis.Silicis

Anglis.Silicis

10th Grade

33 Qs

quiz-placeholder

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Anglis.Silicis

Anglis.Silicis

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

Aurelija Berantaite

Used 39+ times

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kiek valentinių elektronų turi silicio atomas?

5

6

2

4

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kuri iš užrašytų formulių yra silicio rūgšties molekulinė formulė?

H2SO6

H2SiO3

HSiO4

H2CO3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kuri reakcijos lygtis teisingai aprašo anglies rūgšties jonizacijos(susidarymo)procesą?

H2O + CO <----> H2CO2

H2O + CO2 ----> H2CO3

H2O + CO2 <----> H2CO3

H2O + SO2 <----> H2SO3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kuri reakcijos lygtis teisingai aprašo anglies(IV)oksido susidarymo procesą (anglies degimo lygtį, esant deguonies pertekliui)?

2C + O2 ----> 2CO

C + 2 O ----> CO2

O2 + C ----> CO2

O2 + 2 CO ---> 2CO2

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Koks anglies oksidacijos laipsnis anglies H2CO3 rūgštyje?

- 4

-2

+6

+4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kuri reakcijos lygtis teisingai aprašo anglies degimo procesą, trūkstant deguonies?

2C + O2 ---> 2CO

O2 + C ----> CO2

C + O -----> CO

CO + O2 ---> CO2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Koks silicio oksidacijos laipsnis silicio H2SiO3 rūgštyje?

-2

-3

+4

-4

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