Reducerea gradului de degradare a factorilor de mediu

Reducerea gradului de degradare a factorilor de mediu

10th Grade

18 Qs

quiz-placeholder

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Reducerea gradului de degradare a factorilor de mediu

Reducerea gradului de degradare a factorilor de mediu

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

lung daniela

Used 6+ times

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18 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Care sunt procesele care au loc in treapta de epurare mecanica?

Retinerea compusilor si suspensiilor mari

Clorinarea

Sedimentarea suspensiilor floculate si a celor granulare

Flotarea suspensiilor mai usoare decat apa

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Care este rolul separatoarelor in procesul de epurare mecanica a apelor uzate

indepartarea uleiurilor

indepartrea grasimilor

indepartarea substantelor mai usoare decat apa

indepartarea metalelor grele

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Care sunt instalatiile unde are loc procesul de sedimentare

deznisipatoare

gratare dese

macrosite

decantoare

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Epurarea chimica are la bazafenomene de :

neutralizare

precipitare

coagulare

floculare

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Coagulantii cei mai uzuali in procesul de epurare chimica sunt

sarurile de aluminiu

sarurile de fier

argilele

sarea de bucatarie

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Ce compusi se pot elimina din apele uzate in procesul de epurare chimica

metale grele

cianuri

fenoli

coloranti

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Agentii de coagulare sintetici rezultati prin polimerizare se numesc

pile electrice

deseuri grosiere

polielectroliti

flocoane

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