Milline väide iseloomustab eksotermilist reaktsiooni?

Ekso- ja endotermilised reaktsioonid

Quiz
•
Chemistry
•
9th Grade
•
Hard

Anneli Vahesalu
Used 12+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
neelab ümbritsevast keskkonnast energiat
vabaneb ümbritsevasse keskkonda energiat
reaktsioonikeskkonna energia ei muutu
reaktsiooni keskkond jahtub
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kõik põlemisreaktsioonid on
endotermilised
eksotermilised
seotud energia neeldumisega
seotud energia vabanemisega
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Milliste nähtuste puhul on tegemist eksotermilise reaktsiooniga?
aku laadimine
toidu seedimine
aku tühjenemine
higistamine
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Endotermilisel reaktsioonil
vabaneb energia
sidemed lõhutakse
neeldub energia
sidemed moodustuvad
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Lubjakivi lagundamisel toimub
eksotermiline reaktsioon
endotermiline reaktsioon
sidemed lõhutakse
sidemed moodustuvad
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Millist soojusefekti kujutab joonis?
endotermiline
eksotermiline
energia neeldumisega seotud soojusefekt
energia neeldumisega seotud soojusefekt
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Keemilise sideme moodustumisel
lähevad osakesed kõrgema energia seisundisse
lähevad osakesed püsivamasse energia seisundisse
energia vabaneb
energia neeldub
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