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Chemija

Authored by Milda Markutė

Chemistry

8th Grade

Used 12+ times

Chemija
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Anglies oksidacijos laipsnis CO2 molekulėje

+2

-2

+4

-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Ar reakcija išlyginta?

Taip

Ne

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Koks yra bromo krūvis KBr junginyje?

(a)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kuri reakcija yra išlyginta?

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Kokį procesą vaizduoja ši puslygtė?

Oksidacija

Redukcija

Oksidacija-redukcija

Prisijungimo reakciją

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Kiek neutronų yra šio elementų atome?

12

32

20

8

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Kokios dalelės atome turi teigiamą krūvį?

(a)  

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