
Chimia și mediul ambiant
Quiz
•
Chemistry
•
10th Grade
•
Easy
dorina grosu
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
O soluție este un amestec format:
dintr-un component
mai mulți componenți
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Redox este reacție în care se:
modifică numărul de oxidare
nu se modifică numărul de oxidare
produce energie
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Substanțele simple constau din:
mai multe molecule
mai multe feluri de atomi
dintr-un singur fel de atomi
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Erupția vulcanilor au efect asupra mediului?
da
nu
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
În timpul erupțiilor vulcanice se eliberează gaze:
CO2
O2
H2O
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reciclarea deșeurilor biodegradabile au loc prin:
topire
expunere la oxigen
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Poluanții biodegradabili sunt:
resturi alimentare și animale
plasticurile
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