Kemijske formule

Kemijske formule

1st Grade

11 Qs

quiz-placeholder

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Kemijske formule

Kemijske formule

Assessment

Quiz

Chemistry

1st Grade

Medium

Created by

Natasa Bosilj

Used 28+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Molekula vodika je
H2
H
2H

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

U molekuli vode, H2O, je
1 atom vodika i 1 atom kisika
1 atom vodika i 2 atoma kisika
2 atoma vodika i 1 atom kisika 
2 atoma vodika i 2 atoma kisika

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Reaktanti su tvari koje izlaze iz kemijske reakcije
DA
NE

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Metan je
NH3
CH4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atom sumpora označavamo sa:

N

S

1S

1N

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja je kemijska formula aluminijeva oksida?

Al2O2

Al2O3

AlO

Al3O2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Koja kemijska jednadžba je ispravna?

Mg + O → MgO

Mg2 + O2 → 2MgO

Mg + O → Mg2O

2Mg + O2 → 2MgO

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