
Analiza volumetrica
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
M Diana
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Care este solutia-titrant utilizata la dozarea bazelor?
Acidul clorhidric
Azotatul de sodiu
Hidroxidul de sodiu
Permanganatul de potasiu
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ce indicator este utilizat la titrarea cu o baza?
Permanganatul de potasiu
Metilorange
Difenilamina
Fenolftaleina
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ce tip de reactie are loc la dozarea unui acid cu o baza?
De oxidare
De precipitare
De neutralizare
De oxido- reducere
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Virajul indicatorului fenolftaleina la titrarea unui acid cu o baza, in punctul final al titrarii este:
De la roz la incolor
De la galben la potocaliu
De la incolor la violet
De la incolor la roz
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Care dintre urmatoarele substante este o substanta etalon?
Permanganatul ce potasiu
Boraxul
Hidroxidul de sodiu
Clorura de sodiu
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In ce mediu de reactie are loc dozarea ionului de fier (II) cu solutie permanganat de potasiu?
Acid
Neutru
Bazic
Nu are importanta
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Titrul unei solutii reprezinta:
Cantitatea de substanta dintr-un litru solutie - proba
Cantitatea de substanta din 10 ml solutie - proba
Cantitatea de substanta din 1 ml solutie - proba
Cantitatea de substanta din 1000 ml solutie - proba
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