Analiza  volumetrica

Analiza volumetrica

9th - 12th Grade

10 Qs

quiz-placeholder

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Analiza  volumetrica

Analiza volumetrica

Assessment

Quiz

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

M Diana

Used 10+ times

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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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