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Kvalitativna kemijska analiza - provjera

Authored by Ivana Petric

Chemistry

3rd Grade

Used 2+ times

Kvalitativna kemijska analiza - provjera
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Skupinski reagens I. analitičke skupine kationa je:

NH4OH

(NH4)2S

HCl

(NH4)2CO3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bojanje plamena ubrajamo u analizu suhim postupkom.

točno

netočno

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

U analizi mokrim postupkom kao otapalo koristi se:

destilirana voda

klorovodična kiselina

dušična kiselina

zlatotopka

svi odgovori su točni

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kalcij boji plamen:

jarko crveno

žutozeleno

narančasto crveno

niti jedan odgovor nije točan

5.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Molekule ili ioni koji okružuju središnji ion nazivaju se

(a)  

6.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Broj iona ili molekula vezanih oko središnjeg iona u kompleksu zove se

(a)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aluminijev hidroksid se u reakciji

Al(OH)3 + OH- → AlO2- + 2H2O ponaša kao:

kiselina

baza

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