Reducerea gradului de degradare a factorilor de mediu
Authored by lung daniela
Chemistry
10th Grade
Used 6+ times
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18 questions
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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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