
Volumetrija
Authored by Gabrijela Roguljic
Chemistry
2nd Grade
NGSS covered
Used 5+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
______________ je točka u titraciji u kojoj se događa fizikalna promjena u obliku promjene boje, koja se zbiva pri stanju kemijske ekvivalencije
završna točka titracije
točka ekvivalencije
greška titracije
ravnotežno stanje
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indikatori su tvari koje mijenjaju boju ovisno o prisutnosti
kiseline ili baze
pufera
vode
estera
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Na slici je prikazana
Pipeta
Bireta
propipeta
kiveta
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Za reakciju Na2CO3 + 2HCl --> 2NaCl + H2O
25 mL otopine Na2CO3 titrirano je s 14.5 mL HCl-a množinske koncentracije 0.1 molL-1. Kolika je koncentracija otopine Na2CO3?
0.00145 molL-1
7.25 x 10-4 molL-1
0.029 molL-1
0.058 molL-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
HCl + NaOH →
Tags
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odaberi sliku koja prikazuje propipetu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odaberi sliku koja prikazuje biretu
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