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Kemija - ioni, kiseline, soli, Mr

Authored by Marcela Jadrić

Chemistry

8th Grade

Used 2+ times

Kemija - ioni, kiseline, soli, Mr
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42 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Nepotpunim gorenjem ugljika nastaje:

ugljikov dioksid

ugljikov monoksid

grafit

dijamant

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Potpunim gorenjem ugljika nastaje:

grafit

dijamant

ugljikov monoksid

ugljikov dioksid

3.

FILL IN THE BLANKS QUESTION

45 sec • 1 pt

Alotropske modifikacije ugljika su (navedi barem dvije):

(a)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja od navedenih alotropskih modifikacija ugljika tvori građu šesteročlanih prstenova:

grafit

dijamant

fuleren

5.

OPEN ENDED QUESTION

1 min • 1 pt

Napiši jednadžbu kemijske reakcije potpunog gorenja ugljika.

Evaluate responses using AI:

OFF

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Odredi u sljedeće dvije tvrdnje njihovu točnost.

a) Otapanjem ugljikovog dioksida u vodi nastaje kisela otopina. T N

b) Otapanjem sumporova (IV) oksida u vodi nastaje lužnata otopina. T N

T

N

T

T

N

T

N

N

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Oznaka za molekulu sumpora je:

S

8S

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