HEMIJA

HEMIJA

1st - 2nd Grade

13 Qs

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HEMIJA

HEMIJA

Assessment

Quiz

Chemistry

1st - 2nd Grade

Practice Problem

Medium

Created by

Svetlana Jovanovic

Used 304+ times

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13 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Koji su od navedenih elemenata metali?

Azot

Aluminijum

Bakar

Ugljenik

Kiseonik

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

U kojem jedinjenju azot ima elektrovalencu +4?

N2O3

NO2

N2O

N2O5

3.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Od sledećih jedinjenja kiselinu su ( označiti kiseline ):

CO2

NaOH

HCl

NaCl

H3PO4

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Označiti baze:

H2CO3

Mg ( OH )2

NaO

Mgo

Al(OH)3

5.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Napisati fomulu gvožđe (II)-oksida.

6.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Napisati hemijsku formulu kalcijum-karbonata.

7.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Označiti amfoterne okside:

CO

NO2

ZnO

Al2O3

K2O

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