Imoibrithe Ceimiceacha
Authored by Grainne O'Loughlin
Science
3rd - 9th Grade
Used 3+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cén fheidhm atá ag catalaíoch?
Chun an t-imoibriú a théamh.
Chun níos mó imoibreán a chruthú.
Chun an t-imoibriú a stopadh.
Chun imoibriú Ceimiceach a bhrostú.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fíor nó bréagach
In imoibriú ceimiceach, ní chruthaítear aon adamh nua, agus ní dhéantar aon adamh a scriosadh.
Fíor
Bréagach
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Imoibriú ceimiceach a ionsúnn teas....
Eisteirmeach
Inteirmeach
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cé acu de na roghanna seo a leanas a chothromaíonn an chothromóid thíos i gceart?
__HNO2 + __O2 -> __HNO3
2,1,1
2,1,2
3,1,2
1,2,3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na hábhair tosaigh in imoibriú ceimiceach....
tosú
deireadh
táirgí
imoibreáin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cad na himoibreáin i dtáirgeadh ocsaigine?
H2O2
HCl
KMnO4
H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cén catalaíoch a úsáidtear chun ocsaigin a dhéanamh?
H2O
Mn
MgO2
MnO2
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